Differences in the average reporting quality in articles between journals, year of publication and RoB in studies
| Average reporting quality in articles | # articles | Mean reporting quality (%) (95% CI) | Mean difference (95% CI) | P value |
| Journals with versus without CONSORT requirement | ||||
| With CONSORT requirement | 71 | 52.1 (44.4 to 59.8) | ||
| Without CONSORT requirement | 64 | 21.1 (15.1 to 27.1) | 31.0 (21.4 to 40.7) | <0.001 |
| Older versus newer publications | ||||
| Articles published 2010–2014 | 69 | 34.6 (26.7 to 42.6) | ||
| Articles published 2015–2019 | 66 | 40.3 (32.4 to 48.2) | −5.7 (−16.8 to 5.4) | 0.309 |
| Articles of low versus some concern vs high risk of bias studies | ||||
| Low | 52 | 61.1 (53.2 to 68.9) | ||
| Some concern | 66 | 21.2 (15.2 to 27.3) | 39.8 (30.0 to 49.7) | <0.001 |
| High | 17 | 27.9 (12.4 to 43.4) | 33.1 (16.1 to 50.2) | <0.001 |
| Articles of unclear versus clear risk of bias studies | ||||
| Unclear RoB (some concern) | 66 | 21.2 (15.2 to 27.3) | ||
| Clear RoB (low or high) | 69 | 52.9 (45.2 to 60.6) | −31.7 (−41.4 to −22.0) | <0.001 |
CONSORT, Consolidated Standards of Reporting Trials; RoB, risk of bias.