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. 2026 Sep 16;16:1891664. doi: 10.3389/fcimb.2026.1891664

Figure 6.

Panel A shows a scatter plot and line graph comparing predicted probability and observed mortality rate in a training cohort, with data points, error bars, an orange fit line, and a dashed reference line; HL test P equals 0.25. Panel B shows a similar chart for an internal validation cohort, with HL test P equals 0.15. Panel C displays results for an external validation cohort, with HL test P equals 0.12.

Calibration plots of the 7-variable risk prediction model in (A) the internal training, (B) internal validation, and (C) external validation cohorts. Diagonal dashed line indicates perfect calibration. Hosmer-Lemeshow P-values: 0.251, 0.155, and 0.121, respectively.