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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: J Am Geriatr Soc. 2017 Feb 15;65(4):712–720. doi: 10.1111/jgs.14539

Table 4.

Odds of 30-Day Readmission Risk for Medicare Beneficiaries with Multiple Chronic Conditions (MCC) Compared to Beneficiares without MCC, by Different Definitions of Multiple Chronic Conditions (MCC)

≥2 CCW-Defined Conditionsa ≥2 CCI-Defined Conditionsa ≥2 ACG®-Defined Conditionsa ≥2 c-SNP-Defined Conditionsa
Unadjusted OR (95% CI) 1.68 (1.62 - 1.73) 2.19 (2.16 - 2.22) 2.39 (2.35 - 2.43) 2.21 (2.17 - 2.24)
Adjusted OR (95% CI) for baseline patient and index hospital characteristicsb 1.45 (1.40 - 1.50) 1.95 (1.92 - 1.98) 2.17 (2.13 - 2.20) 1.92 (1.89 - 1.96)
Adjusted OR (95% CI) for baseline patient characteristics, index hospital characteristics, and and baseline year utilizationc 1.15 (1.11 - 1.19) 1.45 (1.42 - 1.47) 1.22 (1.19 - 1.25) 1.50 (1.47 - 1.52)
a

Chronic Condition Data Warehouse (CCW), Charlson Comorbidity Index (CCI), Johns Hopkins Adjusted Clinical Groups® (ACG®) Case-Mix System, Medicare Advantage Special Needs Plan Chronic Conditions (c-SNP)

b

Adjusted for age, sex, race, Medicaid status, index hospitalization length of stay, discharge to Skilled Nursing Facility (SNF), number of hospital beds, hospital type

c

Adjusted for age, sex, race, Medicaid status, index hospitalization length of stay, discharge to Skilled Nursing Facility (SNF), number of hospital beds, hospital type, baseline year hospital admissions, baseline year emergency department visits, and baseline year outpatient visits.