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. 2020 Nov 4;55(7):821–829. doi: 10.1177/1060028020970518

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© The Author(s) 2020

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 1. — Study design.

^a The preindex date is ≥1 year prior to index date (as early as January 1, 2006, for some patients) and is not the same for all patients.

^b Index date (date of fracture or comparable start of follow-up in the nonfracture cohort) could occur any time between January 1, 2010, and September 30, 2014, and is not the same for all patients.

^c Postindex period (follow-up time after index fracture or comparable start of follow-up in the nonfracture cohort) spans from the day after the index date up to 12 months postindex and is not the same for all patients.