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. 2026 Sep 1;43(9):513–523. doi: 10.4274/balkanmedj.galenos.2026.2026-4-269

Figure 3.

Figure 3

Decision curve analysis in external validation. Decision curve analysis for the final models in the external validation cohort. Solid lines indicate model-based strategies; the dashed grey line indicates treat-all and the dashed black line indicates treat-none. (a) Mechanical ventilation (XGBoost). (b) 30-day mortality (ridge logistic regression). (c) 3-month mortality (XGBoost). (d) 12-month all-cause mortality (RSF; ranger). (e) 24-month all-cause mortality (RSF; ranger). (f) 12-month cause-specific mortality (RSF). (g) 24-month cause-specific mortality (RSF).

XGBoost, extreme gradient boosting; RSF, random survival forest.