Table 2

Estimation of sample size based on 95% CIs

P0
0.50 0.55 0.60 0.65 0.70
E 0.05 392388377357330
0.10 9897948982
0.11 8180787468
0.12 6867656257
0.13 5857565349
0.14 5050484642
0.15 4443424037
  • P0, prior estimate of the proportion of studies with adequate reporting according to the CONSORT statement extension for randomised pilot and feasibility trials checklist.

  • E, margin of error.