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. 2022 Feb 4;10(2):23259671211069909. doi: 10.1177/23259671211069909

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© The Author(s) 2022

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

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Figure 4. — Interpretation of the between-group difference in Karlsson-Peterson scores at different follow-up times. The blue lines represent the 95% CIs of the median difference (blue dots). Given that the confidence intervals for comparisons at 24-month follow-up are to the right of the noninferiority margin (Δ, −5 points) and also include zero, single-stage surgery was considered noninferior to staged surgery at 24-month follow-up. Dashed yellow line indicates noninferiority margin; shaded region indicates zone of noninferiority.