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. 2022 Apr 1;22(2):3. doi: 10.5334/ijic.6002

Table 4.

Summary of included articles. Abbreviations: HMO, Health Maintenance Organization; GP, general practitioner; ED, emergency department; HbA1C, average blood glucose levels for last two to three months; LDL(-C), low-density lipoprotein (cholesterol); SUD, substance use disorder; P4P, Pay-for-performance; SNF, skilled nursing facility; AMI, acute myocardial infarction; COPD, chronic obstructive pulmonary disease; CHF, congestive heart failure; ICU, intensive care unit; IRF, inpatient rehabilitation facility; HHA, home health agency; LTC, long-term care; AAA, abdominal aortic aneurysm; CABG, coronary artery bypass grafting; ACO, Accountable Care Organization; FFS, fee-for-service; DMP, disease management program. SBI; Screening and Brief Intervention (for SUD); PDC, proportion of days covered; ESRD, end stage renal disease; AVR, aortic valve replacement; MSSP, Medicare Shared Savings Program; AQC, Alternative Quality Contract; PGPD, Physician Group Practice Demonstration.


REFERENCE # YEAR FIRST AUTHOR METHOD COUNTRY PROGRAM NETWORK CONFIGURATION PAYMENT MODEL(S) FLOW STUDY POPULATION INTERVENTION N CONTROL N INDICATOR QUALITY OF CARE UTILIZATION SPENDING OTHER EPOC

42 1995 Schlenker QN USA HMO Not specified Capitation To Medicare home health beneficiaries 181 patients 1,079 patients Patient discharge + C2

Home health visits +

Cost per patient +

Episode length +

43 1995 Robinson Mixed USA HMO Integrated physician medical groups in California Capitation To Capitated HMO enrollees in six integrated physician medical groups Not reported Not reported Physician visits C1

44 2014 Marton QN USA Passport (P) and Kentucky Health Select Plan (K) Primary care practices in regional managed care networks Capitation + P4P (P)
P4P (K)
In Children enrolled in Medicaid 1,890 patients (P) and 4,273 patients (K) 2,816 patients (P) and 9,317 patients (K) Outpatient utilization (P/K) +/+ B1

Professional utilization (P/K) +/–

45 2017 Mandal QN USA HMO Provider group with 7 clinic locations and 25 primary care specialists Capitation + risk-and-gain sharing To Community-dwelling Medicare Advantage enrollees ≥65 years 1,230 patients 1,230 patients Office-based visits + B1

ED hospital visits +

Inpatient hospital admissions +

30-day readmission 0

60-day readmission 0

Preventive visits +

Screening mammography +

Screening colonoscopy 0

48 2011 De Bakker Mixed NL DMP for diabetes Care groups, consisting of health care providers such as GPs, laboratories, dietitians and medical specialists Disease-based bundled payment To Diabetes patients assigned to care group Not reported (10 care groups) Not reported Collaboration + C4

Process quality +

Transparency +

GP domination of care groups

Administrative burden

Price variations

47 2014 Busse Mixed NL DMP for diabetes Care groups, consisting of health care providers such as GPs, laboratories, dietitians and medical specialists Disease-based bundled payment To Diabetes patients assigned to care group Not reported Not reported Specialist care use + B1

Control of blood pressure and cholesterol +

HbA1C +

Regular check-ups +

Foot exams +

Kidney exams +

Eye testing

Total medical spending

46 2015 Mohnen QN NL DMP for diabetes Care groups, consisting of health care providers such as GPs, laboratories, dietitians and medical specialists Disease-based bundled payment To Diabetes patients assigned to care group 20,257 patients 43,754 patients Curative health care spending B1

49 2021 Karimi QN NL DMP for diabetes, COPD and vascularrisk management (VRM) Care groups, consisting of health care providers such as GPs, laboratories, dietitians and medical specialists Disease-based bundled payment To Patients enrolled in a bundled payment for diabetes, COPD, or increased vascular risk 807,197 patients (diabetes), 1,039,406 (VRM), 267,843 (COPD) 988,480 patients Diabetes total cost B1

Diabetes medical specialist cost

Diabetes primary care cost +

Diabetes medication cost

Diabetes bundled payment cost

VRM total cost

VRM medical specialist cost

VRM primary care cost +

VRM medication cost

VRM bundled payment cost

COPD total cost

COPD medical specialist cost

COPD primary care cost +

COPD medication cost

COPD bundled payment cost

50 2021 Navathe QN USA MSSP Not specified Disease-based bundled payment In Medicare fee-for-service beneficiaries 24,884 patients 70,208 patients Post discharge institutional spending medical episode (non-ACO/ACO) +/+ B1

Medical episode mortality (non-ACO/ACO) 0/0

Medical episode 90-day readmissions (non-ACO/ACO) 0/+

Medical episode discharge to SNF/IRF (non-ACO/ACO) 0/0

Medical episode discharge to HH (non-ACO/ACO) +/+

Medical episode length of stay SNF (non-ACO/ACO) +/+

Post discharge institutional spending surgical episode (non-ACO/ACO) +/+

Surgical episode mortality (non-ACO/ACO) 0/0

Surgical episode 90-day readmissions (non-ACO/ACO) +/+

Surgical episode discharge to SNF/IRF (non-ACO/ACO) +/+

Surgical episode discharge to HH (non-ACO/ACO) +/+

Surgical episode length of stay SNF (non-ACO/ACO) +/+

52 2007 Mandel QN USA Not specified Physician-hospital organization consisting of primary care practices (PCPs) P4P To/in Children with asthma 13,380 patients in 44 PCPs Not reported Perfect care delivery + C3

Influenza vaccination rates +

51 2006 Levin-Scherz QN USA Partners Community HealthCare (PCHI) Network composedof 15 regional service organizations P4P To PCHI patients Variedper measure Variedper measure HbA1C screening + B1

Diabetic LDL screening +

Nephropathy screening +

Diabetic eye exams +

Paediatric asthma controller use 0

53 2010 Atkinson QN USA Long Island Health Network Clinically integrated network of 10 hospital facilities P4P In Not specified Not reported Not reported Quality (overall composite measure) + C3

Hospital average length of stay +

54 2018 Rieckmann Mixed USA Coordinated Care Organization Integrated financing and service delivery for medical, behavioural, and dental health P4P In Members enrolled in CCO Not specified Not specified SUD screening + C1

SUD treatment initiation

SUD treatment engagement

55 2015 Hibbard Mixed USA Fairview Pioneer ACO PCPs working in a Pioneer accountable care organization P4P In Fairview PCPs 85 respondents Not applicable Efforts into increasing patient activation and patient self-management 0 C3

Becoming more patient-centred 0

56 2016 Gleeson QN USA Partner for Kids Physicians in a paediatric accountable care organization P4P In Community physicians who received P4P incentives 203 physicians across 50 practices 2763 physicians across 82 practices Adolescent well care visits + B1

Well child visits at 3–6 years1 +/0

Asthma at 12–18 years 0/0

Asthma at 5–11 years 0/0

Immunizations (adolescents) 0/–

Meningococcal immunizations (adolescents) 0/–

Td/Tdap immunizations (adolescents) 0/–

Immunizations (children) 0/–

DTP immunizations (children) +/–

Hepatitis A immunizations (children) 0/–

IPV immunizations (children) +/–

MMR immunizations (children) 0/0

Pneumococcal conjugate immunizations (children) +/0

Varicella immunizations (children) 0/–

Pharyngitis 0/0

Upper respiratory infection 0/0

ADHD maintenance 0/0

ADHD initiation 0/0

Lead screening +/0

Influenza 0/0

Rotavirus +/–

57 2020 Ganguli QN USA MSSP Not specified P4P In ACOs using cost reduction-based specialist compensation (P4P) 41 ACOs 119 ACOs Shared savings 0 B2

Outpatient spending 0

Specialist visits 0

115 2017 Afendulis Mixed USA Total Cost and Care Improvement (TCCI) Primary care physician panels, consisting of at least 5-15 physicians and 1000 patients Global payment + shared savings + pay-for-coordination To CareFirst BlueCross BlueShield Total Care and Cost Improvement Program enrollees 298,463 patients 537,778 patients Outpatient spending 0 B1

Specialist visits 0

Primary care visits 0

Inpatient spending 0

Outpatient spending 0

Total spending 0

103 2017 Stuart QN USA AQC Not reported Global payment + P4P + shared savings To BCBSMA HMO and POS (point of service) plan enrollees 10,817 patients 50,576 patients SUD service utilization 2 0/+ B1

SUD spending 0/0

SUD identification 0/+

SUD initiation 0/+

SUD engagement 0/0

106 2013 McWilliams QN USA AQC Not reported Global payment + P4P + shared savings To Elderly FFS Medicare beneficiaries in Massachusetts treated by AQC-affiliated providers 417,182 person-years 1,344,143 person-years Total spending + B1

Admission rate for ambulatory care–sensitive conditions related to cardiovascular disease or diabetes 0

30-day readmission 0

Mammography screening 0

LDL-C testing (diabetes and cardiovascular) +

HbA1C testing 0

Diabetes retinal examination 0

107 2011 Song QN USA AQC Not reported Global payment + P4P + shared savings To Enrollees whose PCPs were in the AQC system 380,142 enrollees 1,351,446 enrollees Medical spending + B1

Paediatric care quality +

Adult preventive care quality 0

Chronic care management quality +

108 2012 Song QN USA AQC Not reported Global payment + P4P + shared savings To BCBSMA enrollees 612,547 enrollees 1,339,798 enrollees Medical spending + B1

Paediatric care quality +

Adult preventive care quality +

Chronic care management quality +

109 2014 Song QN USA AQC Not reported Global payment + P4P + shared savings To Persons in four cohorts of AQC organizations, defined by first contract year: 2009, 2010, 2011, 2012 1,348,235 enrollees 966,813 enrollees Medical spending + B1

Chronic disease management quality +

Adult preventive care quality +

Paediatric care quality +

104 2016 Huskamp QN USA AQC Not reported Global payment + P4P + shared savings To Adults between 18–64 years enrolled in BCBSMA HMO or POS (point of service) plans 533,568 person-years 2,999,221 person-years Any tobacco cessation treatment use + B1

Varenicline or bupropion use +

Nicotine replacement therapy use 0

Tobacco cessation counselling visit use +

Combination therapy (pharmacotherapy plus counselling) use +

≥90-day supply of tobacco cessation +

112 2014 Afendulis QN USA AQC Not reported Global payment + P4P + shared savings To BCBSMA HMO and POS (point of service) plan enrollees 332,624 enrollees 1,296,399 enrollees Drug utilization 0 B1

Drug spending 0

113 2018 Donohue QN USA AQC Not reported Global payment + P4P + shared savings To Individuals with alcohol use disorders (AUD) and/or opioid use disorders (OUD) 8,956 person-years 40,884 person-years Medication treatment use 0 B1

110 2014 Chien QN USA AQC Not reported Global payment + P4P + shared savings To BCBSMA HMO enrollees 0-21 years with and without special health care needs (CSHCN) 126,975 enrollees 415,331 enrollees Quality measures tied to P4P + B1

Quality measures not tied to P4P 0

Medical spending 0

111 2017 Pimperl QN DE Gesundes Kinzigtal Not reported Global payment + P4P + shared savings To Gesundes Kinzigtal enrollees Varied per measure Varied per measure Mortality rate 0 B1

Average age at time of death +

Years of potential life lost +

105 2012 Hildebrandt QN DE Gesundes Kinzigtal Population-wide integrated care system that covers all sectors and indications of care with a group of providers Global payment + P4P + shared savings To Gesundes Kinzigtal enrollees Varied per measure Varied per measure Hospitalization + B1

Medical spending +

114 2017 Blewett Mixed USA Integrated Health Partnership Minnesota Integrated health partnerships deliver the full scope of primary care services, and coordinate access to specialty providers and hospitals Global payment + P4P + shared savings To Minnesota Health Care Program enrollees Not reported Not reported Forging of community partnerships + C4

Service integration +

58 2014 Sandberg Mixed USA Hennepin Health Hennepin County Human Services and Public Health Department; Hennepin County Medical Center, NorthPoint Health and Wellness Center, Metropolitan Health Plan (HMO), all covering physical, behavioural and social services. Global payment + shared savings To Adults without dependent children Not reported Not reported ED visits + C3

Outpatient visits +

Hospitalization 0

Patients receiving optimal diabetes, vascular and asthma care +

41 2017 Narayan QN USA MSSP Not reported Global payment + shared savings To Medicare beneficiaries in ACOs 5,329,831 beneficiaries Not reported Mammography screening use + C1

40 2018 Fraze QN USA MSSP Not reported Global payment + shared savings To MSSP ACOs 162 ACOs Not reported All-or-nothing diabetes composite + C1

HbA1C controlled +

LDL controlled +

Blood pressure <140/90 +

Tobacco non-use +

Aspirin use +

59 2014 Pope Mixed USA PGPD Not reported Global payment + shared savings To Beneficiaries assigned to PGPs 1,776,387 person-years 1,579,080 person-years Medical spending + B1

Hospitalizations +

ED visits +

HbA1C testing +

LDL-C testing +

Medical attention for nephropathy +

Diabetes eye exam +

Left ventricular ejection fraction testing 0

Lipid profile +

Breast cancer screening +

90 2019 Kim QN USA MSSP Not reported Global payment + shared savings To Medicare FFS beneficiaries with a cancer diagnosis who were 66 years or older and died in 2013-2014 9,033 beneficiaries 9,033 beneficiaries ≥1 ICU admission (Aggressive end-of-life care) B2

≥2 Hospitalizations (Aggressive end-of-life care) +

≥2 ED visits (Aggressive end-of-life care) 0

Chemotherapy ≤2 weeks (Aggressive end-of-life care) 0

No hospice or enrolment ≤3 days (Aggressive end-of-life care) 0

91 2014 Colla QN USA PGPD Not reported Global payment + shared savings To FFS Medicare patients assigned to PGPs 819,779 patients 934,621 patients Discretionary carotid imaging use 0 B1

Discretionary coronary imaging use 0

Discretionary carotid procedures use 0

Discretionary coronary procedures use 0

Non-discretionary carotid procedures use 0

Non-discretionary coronary procedures use 0

60 2019 Rutledge Mixed USA Medicaid ACO Not reported Global payment + P4P + shared savings To ACOs in Maine, Minnesota and Vermont 3 ACOs Not specified Primary care provider visits (Maine, Minnesota, Vermont) –/–/0 B1

Acute inpatient hospitalizations (Maine, Minnesota, Vermont) +/–/+

ED visits (Maine, Minnesota, Vermont) +/+/+

30-day readmissions (Maine, Minnesota, Vermont) 0/+/0

HbA1C testing (Maine, Minnesota) 0/+

Medication adherence for depression (Maine, Minnesota) 0/–

Developmental screening (Vermont) +

Total spending (Maine, Minnesota, Vermont) 0/0/+

Inpatient spending (Maine, Minnesota, Vermont) 0/0/+

Professional spending (Maine, Minnesota, Vermont) 0/+/+

Pharmaceutical spending (Maine, Vermont) 0/+

61 2019 Borza QN USA MSSP Not reported Global payment + shared savings To Patients undergoing common surgical procedures at ACO-affiliated hospitals 80,501 patients 348,774 patients Overall 30-day readmission + B1

Readmission after AAA repair 0

Readmission after colectomy 0

Readmission after cystectomy 0

Readmission after Prostatectomy 0

Readmission after lung resection 0

Readmission after total knee arthroplasty +

Readmission after total hip arthroplasty 0

101 2019 Diana QN USA Pioneer, MSSP Not reported Global payment + shared savings To ACO-affiliated hospitals 615 hospitals 2,847 hospitals Communication with nurses (patient experience) (Pioneer/MSSP) +/0 B2

Communication with doctors (patient experience) (Pioneer/MSSP) +/0

Responsiveness of hospital staff (patient experience) (Pioneer/MSSP) 0/0

Pain management (patient experience) (Pioneer/MSSP) 0/0

Communication about medications (patient experience) (Pioneer/MSSP) 0/0

Cleanliness of hospital environment (patient experience) (Pioneer/MSSP) 0/0

Quietness of hospital environment (patient experience) (Pioneer/MSSP) 0/0

Discharge information (patient experience) (Pioneer/MSSP) 0/0

Overall hospital rating (patient experience) (Pioneer/MSSP) 0/0

Recommend the hospital (patient experience) (Pioneer/MSSP) 0/0

92 2019 Trinh QN USA MSSP Not reported Global payment + shared savings To FFS, non-HMO beneficiaries 51,980 beneficiaries 222,800 beneficiaries Rates of prostate specific antigen screening 0 B1

Rates of prostate biopsy 0

83 2017 Zhang QN USA Pioneer Not reported Global payment + shared savings To FFS Medicare beneficiaries 316,366 beneficiaries 559,241 beneficiaries Medicare Part D drug spending 0 B1

Total prescriptions filled 0

Medicare Part A/B medical spending +

62 2017 Winblad QN USA Pioneer, MSSP Not reported Global payment + shared savings To ACO-affiliated hospitals 226 hospitals 1,844 hospitals 30-day overall adjusted rehospitalization rate (MSSP/Pioneer) +/+ B1

63 2019 Kaufman QN USA MSSP Not reported Global payment + shared savings To MSSP hospitals 273 hospitals 1,490 hospitals Discharge to home B1

30-day all-cause readmissions 0

Hospital length of stay 0

Days in the community 0

Mortality 0

Recurrent stroke within 1 year of hospitalization 0

64 2019 Bain QN USA MSSP Not reported Global payment + shared savings To MSSP hospitals 233 hospitals 3,100 hospitals Probability of discharge to one-star (low-rated) SNFs 0 B1

Probability of discharge to five-star (high-rated) SNFs +

93 2018 Resnick QN USA MSSP Not reported Global payment + shared savings To Medicare Part A and B beneficiaries > 65 years 4,989,210 beneficiary-years 12,263,135 beneficiary-years Breast cancer screening use B1

Colorectal cancer screening use +

Prostate cancer screening use +

65 2018 Kim QN USA MSSP Not reported Global payment + shared savings To MSSP hospitals Varied per measure Varied per measure 30-day hospital-wide all cause readmission rates + B1

30-day readmissions rates for AMI 0

30-day readmissions rates for heart failure +

30-day readmissions rates for pneumonia +

77 2019 Cole QN USA MSSP Not reported Global payment + shared savings To Medicare Part A and B beneficiaries ≥ 67 years with prostate cancer 3,297 beneficiaries 24,088 beneficiaries Radical prostatectomy spending 0 B1

Radiation therapy (EBRT, IMRT, Brachytherapy) spending 0

Expectant management (no surgery, radiation treatment within the first 180 days after diagnosis) spending 0

66 2016 Busch QN USA Pioneer, MSSP Not reported Global payment + shared savings To Medicare beneficiaries ≥ 18 years with mental health illness Not specified Not specified All mental health care spending (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) +/0/0/0 B1

Outpatient mental health care spending (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) 0/0/0/0

ED visits with mental health diagnosis spending (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) +/0/0/0

Inpatient admissions with mental health diagnosis spending (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) +/0/0/0

30-day mental health readmissions (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) 0/0/0/0

Outpatient mental health follow-up within 7 days of discharge (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) 0/0/0/0

Identified as having a depressive disorder (Pioneer 2012 performance year/Pioneer 2013 performance year/MSSP 2012 entry cohort/MSSP 2013 entry cohort) 0/0/–/0

67 2015 McWilliams QN USA Pioneer Not reported Global payment + shared savings To Fee-for-service Medicare beneficiaries 768,054 beneficiary-years 19,152,460 beneficiary-years Total spending + B1

30-day readmissions 0

Hospitalizations for ambulatory-care sensitive conditions 0

CHF hospitalizations 0

COPD or asthma hospitalizations 0

Cardiovascular disease or diabetes hospitalizations 0

Screening mammography (for women 65–69 years) 0

HbA1C testing +

LDL-C testing +

Diabetic retinal examination +

68 2016 McWilliams QN USA MSSP Not reported Global payment + shared savings To Fee-for-service Medicare beneficiaries 884,810 (2012 cohort) and 1,015,722 beneficiary-years (2013 cohort) 10,924,440 (2012 cohort) and 14,587,259 beneficiary-years (2013 cohort) Total spending (2012/2013 entry cohort) +/0 B1

30-day readmissions 0

Hospitalizations for ambulatory-care sensitive conditions 0

CHF hospitalizations 0

COPD or asthma hospitalizations (2012/2013 entry cohort) +/0

Cardiovascular disease or diabetes hospitalizations 0

Screening mammography (for women 65–69 years) 0

HbA1C testing 0

LDL-C testing (2012/2013 entry cohort) +/0

Diabetic retinal examination (2012/2013 entry cohort) 0/+

Low-value services provided 0

79 2018 Lam QN USA MSSP Not reported Global payment + shared savings To Medicare FFS beneficiaries ≥ 65 years with cancer 388,784 patients 233,296 patients Lung cancer spending 0 B1

Hematologic cancer spending 0

Gastrointestinal cancer spending 0

Breast cancer spending 0

Genitourinary cancer spending 0

Gynaecologic cancer spending 0

Head and neck cancer spending 0

Sarcoma spending 0

Melanoma spending 0

Central nervous system cancer spending 0

Metastatic disease (primary unknown) spending 0

Total spending 0

Inpatient spending 0

Outpatient cancer spending 0

Physician services spending 0

SNF spending 0

HHA spending 0

Hospice spending 0

Radiation therapy spending 0

Chemotherapy spending 0

69 2018 Duggal QN USA Pioneer, MSSP Not reported Global payment + shared savings To ACO-affiliated hospitals 129 Pioneer-affiliated hospitals and 342 MSSP-affiliated hospitals 3,907 hospitals Heart failure 30-day readmission rate (MSSP/Pioneer) +/0 B1

AMI 30-day readmission rate (MSSP/Pioneer) 0/0

Pneumonia 30-day readmission rate (MSSP/Pioneer) 0/0

81 2018 McWilliams QN USA MSSP Physician-group ACOs (narrow scope of provided services) and hospital-integrated ACOs (wider scope of provided services) Global payment + shared savings To Fee-for-service Medicare beneficiaries Hospital-integrated ACOs (132) and physician-group ACOs (203) Not specified Physician group ACO spending (2012/13/14 entry cohort) +/+/+ B1

Hospital-integrated ACO spending (2012/13/14 entry cohort) +/0/0

94 2019 Modi QN USA MSSP Not reported Global payment + shared savings To Medicare part A and B FFS beneficiaries ≥ 66 years undergoing meniscectomy, vertebroplasty or hip fracture procedure 21,486 meniscectomy, 12,521 vertebroplasty and 13,930 hip fracture patients 54,770 meniscectomy, 32,018 vertebroplasty and 36,830 hip fracture patients Arthroscopic partial meniscectomy (low-value procedure) use 0 B1

Vertebroplasty (low-value procedure) use 0

70 2016 Herrel QN USA MSSP Not reported Global payment + shared savings To Patients aged 66 to 99 years that underwent major cancer surgery for nine solid organ cancers 19,439 patients 365,080 patients 30-day mortality 0 B1

30-day readmissions 0

30-day major complications 0

Hospital length of stay 0

76 2018 Borza QN USA MSSP Not reported Global payment + shared savings To Medicare part A and B FFS beneficiaries ≥ 66 years with prostate cancer 5,065 patients 27,946 patients Treatment rate in highest mortality risk (overtreatment) + B1

Overall payments 0

Payments in highest mortality risk 0

78 2016 Colla QN USA Pioneer, MSSP Not reported Global payment + shared savings To (1) Medicare part A and B FFS beneficiaries and (2) Medicare part A and B FFS beneficiaries ≥ 66 years with multiple clinical conditions (clinically vulnerable) Not specified Not specified Total spending (Pioneer 2012 entry cohort/MSSP 2012 entry cohort/MSSP 2013 entry cohort) +/+/+ B1

Spending among clinically vulnerable beneficiaries (Pioneer 2012 entry cohort/MSSP 2012 entry cohort/MSSP 2013 entry cohort) +/+/+

95 2018 Resnick QN USA MSSP Not reported Global payment + shared savings To Medicare Part A and B beneficiaries > 65 years 13,460,798 person-years 40,010,199 person-years Breast cancer screening use among appropriate candidates + B1

Colorectal cancer screening use among appropriate candidates +

Prostate cancer screening use among appropriate candidates 0

82 2015 Schwartz QN USA Pioneer Not reported Global payment + shared savings To Medicare Part A and B beneficiaries 693,218 person-years 17,453,423 person-years Total low-value services use + B1

Total low-value services spending +

Cancer screening use +

Testing use +

Preoperative services use 0

Imaging use +

Cardiovascular tests and procedures use +

Other invasive procedures use 0

Higher-priced low-value services use 0

Lower-priced low-value services use +

More patient sensitive low-value services use +

Less patient sensitive low-value services use +

80 2017 McWilliams QN USA MSSP Not reported Global payment + shared savings To Medicare Part A and B beneficiaries Not specified Not specified SNF spending (2012/2013/2014 entry cohort) +/+/0 B1

71 2019 Markovitz QN USA MSSP Not reported Global payment + shared savings To Medicare FFS beneficiaries 835,100 beneficiaries Not reported Total spending 0 B1

HbA1C testing (% meeting quality indicator) 0

LDL-C testing (% meeting quality indicator)

Diabetic retinal examination (% meeting quality indicator) 0

All 3 diabetes measures (% meeting quality indicator) 0

Mammography (% meeting quality indicator) 0

96 2018 Barnett QN USA MSSP Not reported Global payment + shared savings To Medicare FFS Part A and B beneficiaries Not specified Not specified All specialist visits in primary care oriented ACOs (2012/2013/2014 entry cohort) +/0/0 B1

All specialist visits in specialty oriented ACOs (2012/2013/2014 entry cohort) 0/0/0

New specialist visits in primary care oriented ACOs (2012/2013/2014 entry cohort) +/0/+

New specialist visits in specialty oriented ACOs (2012/2013/2014 entry cohort) 0/0/0

97 2017 McWilliams QN USA MSSP Not reported Global payment + shared savings To Medicare FFS Part A, B and D beneficiaries with cardiovascular disease or diabetes Not specified Not specified Statin use (2012/2013/2014 entry cohort) 0/0/0 B1

Statin PDC (2012/2013/2014 entry cohort) 0/0/0

ACE inhibitor/ARB use (2012/2013/2014 entry cohort) 0/0/0

ACE inhibitor/ARB PDC (2012/2013/2014 entry cohort) 0/0/0

β-Blockers use (2012/2013/2014 entry cohort) 0/0/0

β-Blockers PDC (2012/2013/2014 entry cohort) +/0/0

Thiazide diuretics use (2012/2013/2014 entry cohort) 0/+/0

Thiazide diuretics PDC (2012/2013/2014 entry cohort) 0/0/0

Calcium channel blockers use (2012/2013/2014 entry cohort) 0/0/0

Calcium channel blockers PDC (2012/2013/2014 entry cohort) 0/0/0

Metformin use (2012/2013/2014 entry cohort) 0/0/0

Metformin PDC (2012/2013/2014 entry cohort) +/+/0

72 2015 Nyweide QN USA Pioneer Not reported Global payment + shared savings To Medicare FFS beneficiaries 675,712 beneficiaries in 2012 and 806,258 beneficiaries in 2013 13,203,694 beneficiaries in 2012 and 12,134,154 beneficiaries in 2013 Total Medicare spending (2012/2013 performance year) +/+ B1

All inpatient hospital (Part A) spending (2012/2013 performance year) +/+

Physician (Part B) spending (2012/2013 performance year) +/+

Hospital outpatient spending (2012/2013 performance year) +/0

SNF spending (2012/2013 performance year) +/0

Home health spending (2012/2013 performance year) +/0

Hospice spending (2012/2013 performance year) +/0

Durable medical equipment spending (2012/2013 performance year) +/+

Acute care inpatient days (2012/2013 performance year) +/+

Inpatient admissions through ED (2012/2013 performance year) +/+

IRF or LTC facility days (2012/2013 performance year) 0/+

All-cause 30-day readmissions (2012/2013 performance year) 0/0

Post discharge physician visits within 7 days (2012/2013 performance year) +/+

Post discharge physician visits within 14 days (2012/2013 performance year) 0/+

Post discharge physician visits within 30 days (2012/2013 performance year) 0/0

Primary care evaluation and management visits (2012/2013 performance year) +/+

Procedures use (2012/2013 performance year) +/+

Imaging services use (2012/2013 performance year) +/+

Tests use (2012/2013 performance year) +/+

ED visits (2012/2013 performance year) +/+

Observation stays (2012/2013 performance year) 0/–

SNF days (2012/2013 performance year) +/0

Home health visits (2012/2013 performance year) +/0

Hospice days (2012/2013 performance year) +/0

98 2018 Lin QN USA MSSP Not reported Global payment + shared savings To ACO-affiliated rural health clinics (RHCs) 19 RHCs 484 RHCs Risk-adjusted diabetes hospitalization rate 0 B2

73 2013 Colla QN USA PGPD Not reported Global payment + shared savings To Medicare FFS beneficiaries with cancer 123,249 beneficiaries 865,532 beneficiaries Acute care spending + B1

Imaging spending 0

Deaths occurring in hospital 0

84 2019 Lam QN USA MSSP Not specified Global payment + shared savings To ACO cancer decedents 12,248 patients 12,248 patients Total spending 0 B1

Inpatient spending 0

Outpatient spending 0

Physician services spending 0

SNF spending 0

Home health spending 0

Hospice spending 0

Radiation therapy spending 0

Chemotherapy spending 0

≥1 Emergency room visits (180 days/30 days prior to death) 0/0

≥1 Inpatient hospitalizations (180 days/30 days prior to death) –/0

≥1 ICU admission (180 days/30 days prior to death) 0/0

85 2020 Bakre QN USA MSSP Not specified Global payment + shared savings To Medicare fee-for-service beneficiaries on long-term dialysis 26,694 patients 167,817 patients Total spending + B1

99 2021 Modi QN USA MSSP Not specified Global payment + shared savings To ACO hospitals 707 hospitals 1,770 hospitals AAA treatment rate 0 B1

AVR treatment rate 0

Carotid endarterectomy/stent treatment rate 0

Colectomy treatment rate 0

Lung lobectomy treatment rate 0

Prostatectomy treatment rate 0

Proportion of AAA surgery using EVAR 0

Proportion of AVR using TAVR 0

Proportion of carotid surgery using stenting 0

Proportion of colectomy surgery using minimally invasive approach 0

Proportion of lobectomy surgery using minimally invasive approach 0

Proportion of prostatectomy using minimally invasive approach 0

86 2021 Chang QN USA MSSP Not specified Global payment + shared savings To Long-term nursing home Medicare fee-for-service beneficiaries 121,690 patients 121,690 patients Evaluation & management visits 0 B2

Proportion of evaluation & management visits to primary care physicians +

Total admissions +

ACSC admissions +

30-day readmissions 0

Observation stays 0

ED visits +

Total spending 0

87 2021 Erfani QN USA Medicare ACO Not specified Global payment + shared savings To Medicare fee-for-service beneficiaries aged 65 years or older with cancer 517,623 patients 348,909 patients Lung cancer spending 0 B1

Hematologic cancer spending 0

Gastrointestinal cancer spending 0

Breast cancer spending 0

Genitourinary cancer spending 0

Gynaecologic cancer spending 0

Head and neck cancer spending 0

Sarcoma spending 0

Melanoma spending 0

Central nervous system cancer spending 0

Metastatic disease (primary unknown) spending 0

100 2021 Acevedo QN USA MSSP Not specified Global payment + shared savings To Medicare beneficiaries 853,953 patients with disability (D) and 2,917, 299 patients aged 65 years or older3 (65) 1,675,928 and 5,492,387 patients Any outpatient mental health visits (D/65) +/– B1

Any outpatient substance use visits (D/65) +/0

Any inpatient mental health stays (D/65) +/+

Any inpatient substance use stays (D/65) +/0

Number of inpatient mental health visits (D/65) +/+

Number of inpatient substance use visits (D/65) 0/–

Adequate care for patients with depression (D/65) –/–

102 2020 Lee QN USA MSSP Not specified Global payment + shared savings To Vulnerable ACO beneficiaries in physician group panels 1,024,833 patients 2,912,043 patients Proportion of black patients 0 B1

Proportion of patients that are dually enrolled in Medicare and Medicaid 0

Proportion of patients that live in areas with higher poverty rates 0

Proportion of patients that live in areas with higher unemployment rates 0

89 2020 McWilliams QN USA MSSP Not specified Global payment + shared savings To ACOs across different entry cohorts 114 ACOs (2012 entry cohort), 106 (2013), 115 (2014) Not specified Spending (2012 entry cohort) (2013/14/15) 0/+/+ B1

Spending (2013 entry cohort) (2013/14/15) 0/+/+

Spending (2014 entry cohort) (2014/15) 0/0

75 2019 Zhang QN USA Commercial ACO HMO, large independent practice association of physicians and hospital system Global payment + shared savings To Enrolled members of commercial HMO 40,483 patients 20,275 patients Inpatient and outpatient payments (2010/11/12/13/14) –/–/0/0/0

PCP visits (2010/11/12/13/14) 0/0/0/–/–

Specialist visits (2010/11/12/13/14) –/–/–/–/–

ED visits (2010/11/12/13/14) 0/0/–/0/0

Inpatient admissions (2010/11/12/13/14) 0/0/0/0/–

30-day readmissions (2010/11/12/13/14) 0/0/0/0/0

Breast cancer screening (2010/11/12/13/14) 0/0/0/+/+

Cervical cancer screening (2010/11/12/13/14) 0/0/0/+/+

Colorectal cancer screening (2010/11/12/13/14) 0/0/0/+/+

HPV vaccine (2010/11/12/13/14) 0/0/0/0/+

Immunizations (combination 1) (2010/11/12/13/14) +/0/+/0/+

Meningococcal immunizations +/0/+/0/+

Td/Tdap immunizations 0/0/0/0/0

HbA1c testing 0/0/0/0/0

Medical attention for nephropathy 0/0/0/0/+

88 2021 Zhang QN USA Commercial ACO HMO, large independent practice association of physicians and hospital system Global payment + shared savings To Enrolled members of commercial HMO 11,958 patients 20,275 patients Generic drug use (2010/11/12/13/14) 0/0/0/0/0

Generic drug spending (2010/11/12/13/14) 0/+/0/0/0

Brand drug use (2010/11/12/13/14) 0/0/0/0/0

Brand drug spending (2010/11/12/13/14) 0/0/0/0/0

Total prescription drug use (2010/11/12/13/14) 0/0/+/+/0

Total prescription drug spending (2010/11/12/13/14) 0/0/0/0/0

Medication adherence (2010/11/12/13/14) –/–/–/0/0

74 2020 Marrufo QN USA ESRD Seamless Care Organization (ESCO) Dialysis facilities, nephrologists, and other providers Global payment + shared savings To Medicare fee-for-service beneficiaries 73,094 beneficiaries 60,464 beneficiaries Radiation therapy use (180 days/30 days prior to death) 0/0 B1

Chemotherapy use (180 days/30 days prior to death) 0/0

Hospice use (180 days/30 days prior to death) 0/0

ESRD hospitalization complications payment +

Total dialysis payment

Hospitalizations +

Readmissions 0

ED visits 0

Emergency dialysis 0

Dialysis sessions +

Catheter placement +

Vascular access complications 0