Table 2 Characteristics of included studies
Description | Total (n = 165) |
|---|---|
Study design, n (%)* | |
Prospective | 45 (27.4) |
Retrospective | 119 (72.6) |
Sample size, Median (IQR) | 1234 (350–890,544) |
Sample size, n (%)* | |
< 1000 | 69 (43.4) |
1000–10,000 | 65 (40.9) |
> 10,000 | 25 (15.7) |
Study site, n (%)* | |
Multisite | 130 (85.0) |
Single site | 23 (15.0) |
Number of data collection waves, Median (IQR) | 3 (3–5) |
Duration of follow-up (months), Median (IQR) | 44 (12–108) |
Method of data collection, n (%)* | |
Administrative data | 28 (17.4) |
Surveysa | 102 (63.4.9) |
Mixed | 31 (19.2) |