Table 2 Assessments of methodological quality (N = 300)
Methodological Quality Indicator | N (%) |
|---|---|
Jadad | Â |
Mean (SD) | 2.6 (1.2) |
Median (range) | 2 (0 - 5) |
Allocation Concealment | Â |
Adequate | 65 (21.7) |
Unclear | 227 (75.7) |
Inadequate | 8 (2.7) |
Risk of Bias | Â |
Low | 23 (7.7) |
Unclear | 99 (33.0) |
High | 178 (59.3) |
CONSORT Statement | Â |
Items fully addressed (median, range) | 15 (4-22) |
Items partially addressed (median, range) | 5 (0-14) |
Items not addressed (median, range) | 2 (0-7) |
Trial registered | Â |
Declared in publication | 37 (12.3) |
Registration found online | 69 (23.0) |
Study protocol available from corresponding author | 2/290 (0.7) |