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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 design

Superiority

157 (79%)

Non-inferiority

33 (17%)

Equivalence

3 (2%)

Unclear

7 (4%)

Size

Median = 145, interquartile range = 82–400

Multicentre

Yes

110 (55%)

No

83 (42%)

Unclear

7 (4%)

Funding

Public, charity, or public and charity

68 (34%)

Solely industry

38 (19%)

Others (include combinations)

40 (20%)

No stated funding

54 (27%)