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. 2021 Feb 18;7:601602. doi: 10.3389/fmed.2020.601602

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Copyright © 2021 Schäfer, Mathisen, Svendsen, Engberg, Rolighed Thomsen and Kirketerp-Møller.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Kaplan-Meier estimates for different age groups and backgrounds and the corresponding risk levels for foot ulcer and amputation. (A) Foot ulcer risk. (B) Amputation risk.