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Table 5 Comparison of the non-adherence in the reporting of observed ICC for each primary outcome before and after CONSORT 2010 statement for cRCTs (published in Sept 2012)

From: Statistical analysis of publicly funded cluster randomised controlled trials: a review of the National Institute for Health Research Journals Library

 

Year of publication

Before

1997–2012

After

2013–2021

All

1997–2021

Number of trials

11

75

86

Number of primary outcomes

13

87

100

Number of primary outcomes with the observed ICC not reported (%)

4 (31)

38 (44)

42(42)