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Table 1 Characteristics of the 200 studies included in this review

From: Current practice in analysing and reporting binary outcome data—a review of randomised controlled trial reports

Trial designSuperiority157 (79%)
Non-inferiority33 (17%)
Equivalence3 (2%)
Unclear7 (4%)
SizeMedian = 145, interquartile range = 82–400
MulticentreYes110 (55%)
No83 (42%)
Unclear7 (4%)
FundingPublic, charity, or public and charity68 (34%)
Solely industry38 (19%)
Others (include combinations)40 (20%)
No stated funding54 (27%)