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. 2026 Feb 23;13:1729151. doi: 10.3389/fnut.2026.1729151

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Copyright © 2026 Xu, Duan, Feng, Wang, Liu, Zhang, Qi, Li and Wu.

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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Panel A and B show calibration plots of predicted versus actual probability of PHT_ANC for training and validation cohorts, with apparent, bias-corrected, and ideal lines. Panel C and D display decision curve analyses for the training and validation cohorts, comparing standardized net benefit across high-risk thresholds for strategies of all, none, and the nomogram. — Calibration curves of the PHT_ANC risk nomogram in the training cohort (A) and validation cohort (B). DCA curves of the PHT_ANC risk nomogram in the training cohort (C) and validation cohort (D).