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Table 1 Elements for the evaluation of the power analysis

From: Randomised evaluation of the Italian medicines use review provided by community pharmacists using asthma as a model (RE I-MUR)

Options Power level ICC d Alpha Number of pharmacists per group Number of patients per group Pharmacists patients ratio
A 90% 0.02 20% 0.05 115 575 1:5
B 90% 0.02 20% 0.05 140 560 1:4
C 95% 0.02 20% 0.05 140 700 1:5
D 95% 0.02 20% 0.05 173 693 1:4