Recent content by kohyle

  1. K

    Calculating sample size for non-inferiority trial using Stata cii

    Hi, can I use Stata command cii to calculate the sample size required if I want to test that fasting TG is not lower than non-fasting TG by 0.2mmol/l? Given mean=1.4, sd=0.5, 95% confidence level. What is the exact command? How do I calculate sample size if I want to test for equivalence of...