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. 2023 Apr 20;10:659–671. doi: 10.2147/JHC.S407646

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© 2023 Wang et al.

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Calibration curve showing good fit between the predicted nomogram curve and the observed curve at 1-, 2- and 3-year survival time (A–F). (A–C) represents the training cohort and (D–F) represents the validation group.