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. 2022 Mar 23;16(2):15579883221087532. doi: 10.1177/15579883221087532

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© The Author(s) 2022

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 pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Forest Plots Showing the Subgroup Analysis of Different IIEF Baselines

Note. IIEF = International Index of Erectile Function; SD = standard deviation; IV = inverse variance; CI = confidence interval; df = degrees of freedom.