Table 2.
Characteristic | |
---|---|
Year of publication | 2005 (1997–2012) |
Total no. of studies included (range per review) | 824 (4–112) |
RCTsa | 480 (1–93) |
Studies with concurrent control groupsa | 90 (1–27) |
Before–after studiesa | 41 (2–8) |
Ecological studiesa | 1 (0–1) |
Other observational studiesa | 25 (1–6) |
Review included meta-analysis | 18 (67%) |
Methodological quality | |
Median no. of AMSTAR items met (range) | 5 (0–10) |
Disease areas | |
CHF | 12 (44%) |
DM | 7 (26%) |
COPD | 7 (26%) |
Asthma | 5 (19%) |
Hypertension | 3 (11%) |
Cancer | 2 (7%) |
Rheumatoid arthritis | 2 (7%) |
Otherb | 5 (19%) |
Principles of integration assessed | |
Comprehensive services across the care continuum | 26 (96%) |
Standardized care through inter-professional teams | 25 (93%) |
Patient focus | 22 (81%) |
Performance management | 17 (63%) |
Physician integration | 15 (56%) |
Information systems | 13 (48%) |
Organizational culture and leadership | 5 (19%) |
Geographic coverage and rostering | 1 (4%) |
Governance structure | 1 (4%) |
Financial management | 0 (0%) |
Outcomes assessed | |
Use of healthcare resources | 20 (74%) |
Patient-centred | 16 (59%) |
Functional | 16 (59%) |
Costs | 15 (56%) |
Process | 11 (41%) |
Clinical | 10 (37%) |
AMSTAR, Assessment of Multiple Systematic Reviews instrument.
aTwenty-four reviews assessed the design of primary studies.
bStroke, orthopaedics, osteoarthritis, respiratory disease, angina, back pain and chronic pain, angina, hyperlipidaemia and coronary artery disease.