Table 1 Overall confidence of systematic reviews with or without protocols
From: The methodological quality of systematic reviews regarding the Core Outcome Set (COS) development
The overall confidence | SRs with protocols (n = 93) | SRs without protocol (n = 82) | P-value | SRs with protocols on the PROSPERO (n = 67) | SRs with protocols on the COMET (n = 21) | P-value |
|---|---|---|---|---|---|---|
High | 6 (6.45%) | 0 (0.00%) | 0.000 * | 6 (8.96%) | 0 (0.00%) | 0.017 * |
Moderate | 5 (5.38%) | 0 (0.00%) | 5 (7.46%) | 0 (0.00%) | ||
Low | 17 (18.28%) | 5 (6.10%) | 13 (19.40%) | 2 (9.52%) | ||
Critically Low | 65 (69.89%) | 77 (93.90%) | 43 (64.18%) | 19 (90.48%) |