Table 1: Sample size calculations table according to different treatment effects.

n for a given prevalence and reductionPower = 75%Power = 80%Power = 85%Power = 90%
25%50%25%50%25%50%25%50%

0.043385583389167045247795389928
0.062305397264945630805313669632
0.081766304203035023614072812484
0.101444249166028619303332299396
0.2081214093416110861871293223
0.30619107711123827143985170
0.4054293623107724125862149