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Table 4 Sensitivity analysis

From: Promoting deceased organ and tissue donation registration in family physician waiting rooms (RegisterNow-1 trial): study protocol for a pragmatic, stepped-wedge, cluster randomized controlled registry

Control proportion Intervention proportion Within-period ICC Cluster autocorre-lation Average cluster size per period Absolute increase in proportion
0.5 0.61 0.06 0.8 100 0.110
0.6 0.06 0.8 250 0.100
0.59 0.06 0.8 400 0.090
0.59 0.06 0.95 100 0.090
0.565 0.06 0.95 250 0.065
0.56 0.06 0.95 400 0.060
0.4 0.51 0.06 0.8 100 0.110
0.5 0.06 0.8 250 0.100
0.49 0.06 0.8 400 0.090
0.49 0.06 0.95 100 0.090
0.465 0.06 0.95 250 0.065
0.46 0.06 0.95 400 0.060
0.45 0.56 0.06 0.8 100 0.110
0.55 0.06 0.8 250 0.100
0.545 0.06 0.8 400 0.095
0.54 0.06 0.95 100 0.090
0.515 0.06 0.95 250 0.065
0.51 0.06 0.95 400 0.060
  1. Sensitivity analysis showing detectable difference with a sample size of six practices, expressed as an absolute increase in proportions, with 80% power using a two-sided test at the 5% level of significance