Table 4

Power calculation for different scenarios of baseline values and deltas of the probability of improvement at 1 year in the combined clinical end point (intention-to-treat analysis)
Probability of improvement at 1 year in the control group
Delta of improvement in the experimental group 5% 10% 15%
15% 0.84 0.72 0.64
20% 0.97 0.92 0.87
25% 0.99 0.98 0.97

Zamboni et al.

Zamboni et al. Trials 2012 13:183   doi:10.1186/1745-6215-13-183

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