Table 1 Characteristics of included articles
Characteristics | n = 128 (%) |
|---|---|
Study design | |
Prospective | 42 (33 %) |
Before–after | 40 (31 %) |
Historical cohort | 39 (30 %) |
Cross-sectional | 6 (5 %) |
Other | 1 (1 %) |
Therapeutic intervention | |
Drug | 51 (40 %) |
Surgery | 14 (11 %) |
Device or equipment | 14 (11 %) |
Behavioral intervention or participative | 20 (16 %) |
Therapeutic strategy | 29 (23 %) |
Comparator | |
Placebo or attention control intervention | 4 (3 %) |
Active treatment | 55 (43 %) |
Usual care or no treatment | 25 (20 %) |
No comparator or Unclear | 44 (34 %) |
Sample size, median [Q1–Q3], (range) | 129.5 [50.75–457.5], (5–238600) |
Funding source | |
Profit | 28 (22 %) |
Not for profit | 54 (42 %) |
Both | 5 (4 %) |
Not reported or unclear | 41 (32 %) |
Registration | |
Yes | 39 (30 %) |
No or not reported | 89 (70 %) |