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. 2023 Aug 17;32(11):2123–2134. doi: 10.1177/09622802231194753

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© The Author(s) 2023

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 2. — The pairs of intracluster correlation and cluster autocorrelation values that are consistent with the intracluster correlation obtained for the length of ED stay in RAFF-3 trial. One particular set of values using full method is highlighted: $ρ_{d} = 0.102$ and $r_{d} = 0.8$ are consistent with ${\hat{ρ}}_{e} = 0.05$ when $T = 12$ , $K = 15$ and $m = 20$ . In this case, this is identical to the pair of values obtained using the approximation.

RAFF-3: rapid atrial fibrillation and flutter 3; ED: Emergency Department.