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. 2021 Jun 14;4(6):e2113375. doi: 10.1001/jamanetworkopen.2021.13375

Table. Descriptive Characteristics of Patient Populations of the Included Studies.

Characteristic No. (%) of studies (N = 456)
Heart failure 173 (37.9)
Stroke 126 (27.6)
Post–myocardial infarction 64 (14.0)
Stable coronary artery disease 46 (10.1)
CVD 40 (8.8)
CVD plus comorbid diabetes 5 (1.1)
Peripheral arterial disease 2 (0.4)
Intervention types (HCPPR framework)
Patient support 311 (68.2)
ICT for health 78 (17.1)
Community support 18 (3.9)
Supervision 15 (3.3)
High-intensity training 14 (3.1)
Group problem-solving 7 (1.5)
Printed information 5 (1.1)
Strengthening infrastructure 4 (0.9)
Financial incentives 3 (0.7)
Other management techniques 1 (0.2)
Comparator
Usual care 396 (86.8)
Active comparator 33 (7.2)
Not reported 27 (5.9)
Study design
RCTs 413 (90.6)
Quasi-randomized studies 21 (4.6)
Cluster randomized trials 14 (3.1)
Preintervention and postintervention evaluations 8 (1.8)
Clinical setting
Tertiary care hospital 221 (48.5)
Hospital- plus home-based care 130 (28.5)
Primary care hospital 19 (4.2)
Secondary care hospital 8 (1.8)
Community level hospital 8 (1.8)
Not reported 70 (15.4)
Moment of intervention delivery
Rehabilitationa 228 (50.0)
Discharge period 123 (27.0)
Chronic phase 82 (18.0)
Combination 19 (4.2)
Before and after discharge 1 (0.2)
Not reported 3 (0.7)
Intervention delivery mode
NPHW 152 (33.3)
Technology 41 (9.0)
Telephone calls 39 (8.6)
Text messages 9 (2.0)
Combinationb 170 (37.3)
Not reported 45 (9.9)
Intervention frequency
Weekly to biweekly 103 (22.6)
Monthly to bimonthly 37 (8.1)
Every 3 mo 24 (5.3)
Irregular 141 (30.9)
Single episode 6 (1.3)
Not reported 145 (31.8)
Intervention duration, y
<1 258 (56.6)
1-2 123 (27.0)
3-5 11 (2.4)
>5 1 (0.2)
Not reported 63 (13.8)
Location (World Bank region)
Europe and Central Asia 110 (24.1)
East Asia and the Pacific 97 (21.3)
North America 93 (20.4)
Middle East and North Africa 12 (2.6)
South Asia 10 (2.2)
Latin America and the Caribbean 10 (2.2)
Sub-Saharan Africa 4 (0.9)
Not reported 120 (26.3)
Income groupc
High-income countries 255 (75.9)
Upper-middle–income countries 68 (20.2)
Lower-middle–income countries 13 (3.9)
Low-income countries 0
Funding source
Government 146 (32.0)
Private 25 (5.5)
Nonprofit organization 23 (5.0)
No funding 19 (4.2)
Not reported 243 (53.3)

Abbreviations: CVD, cardiovascular disease; HCPPR, Health Care Provider Performance Review; ICT, information communication technology; NPHW, nonphysician health worker; RCT, randomized clinical trial.

a

Indicates cardiac rehabilitation (eg, a customized outpatient program of exercise and education).

b

Indicates more than 1 intervention delivery mode (eg, NPHW, technology, and/or telephone calls were combined).

c

Indicates World Bank classification for 45 countries in 336 studies that were classified.