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Fig. 4 | Trials

Fig. 4

From: Sample size calculation for a stepped wedge trial

Fig. 4

Power curves for a binary outcome assuming 24 clusters, each with 20 subjects. We varied the ICC and the number of randomisation crossover points. Panel (a) shows the analysis for a repeated closed cohort (cross-sectional) design, while panel (b) depicts the results for a closed cohort design (assuming individual-level ICC of 0.0016)

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