Skip to main content

Table 1 Sample size simulation

From: Effectiveness of a multi-faceted intervention to deprescribe proton pump inhibitors in primary care: protocol for a population-based, pragmatic, cluster-randomized controlled trial

“Natural” PPI deprescribing rate PPI deprescribing rate due to intervention Patients per cluster Intracluster Correlation Coefficient Power
2% 17% 45 0.05 >  0.999
2% 17% 50 0.05 >  0.999
2% 17% 45 0.1 >  0.999
2% 17% 50 0.1 >  0.999
2% 10% 45 0.05 >  0.999
2% 10% 50 0.05 >  0.999
2% 10% 45 0.1 >  0.999
2% 10% 50 0.1 >  0.999
7% 17% 45 0.05 >  0.999
7% 17% 50 0.05 >  0.999
7% 17% 45 0.1 >  0.999
7% 17% 50 0.1 >  0.999
7% 10% 45 0.05 > 0.994
7% 10% 50 0.05 > 0.990
7% 10% 45 0.1 > 0.930
7% 10% 50 0.1 > 0.908