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. 2022 Mar 3;13(7):1213–1221. doi: 10.1111/jdi.13776

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© 2022 The Authors. Journal of Diabetes Investigation published by Asian Association for the Study of Diabetes (AASD) and John Wiley & Sons Australia, Ltd.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Forest map shows the results of the multivariate logistic regression analysis. The 25‐OH‐vitamin D was independently related to diabetic foot, and it was a protective factor for diabetic foot (P < 0.001, OR = 0.986, 95% CI: 0.979–0.993).