Table 3.

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.