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. 2021 Oct 4;15:729782. doi: 10.3389/fnins.2021.729782

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Copyright © 2021 Qin, Ai, Jordan, Guo, Li, Diao, Zhao, Liu, Xue, Wang and Fang.

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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(A) Receiver operating characteristic (ROC) curve analyses of integrative variables (Fazekas scale, having stroke, SFR categorical variables, and age) to discriminate female patients with severe cognitive impairment. Area under the ROC curve (AUC) for model 1, SFR rule in was 0.9477 (95% CI, 0.8115–0.9730), and for model 2, SFR rule out was 0.8775 (95% CI 0.7490–0.9466). (B) ROC analyses of integrative variables (Fazekas scale, having stroke, SFR categorical variables, and age) to discriminate male patients with severe cognitive impairment. AUC for model 1, SFR rule in was 0.8367 (95% CI, 0.7662–0.8941), and for model 2, SFR rule out was 0.8380 (95% CI 0.7585–0.8899).