Fig. 2

Validation AUC for each pair of dataset and machine learning algorithm, when lung recruitability was radiologically defined (recruiters: Δ_45-5non-aerated tissue > 15%). M5, lung mechanics at PEEP 5 cmH₂O, M15, lung mechanics at PEEP 15 cmH₂O, RPM, respiratory partitioned mechanics, G5, gas exchange measured at PEEP 5 cmH₂O, G15, gas exchange measured at PEEP 15 cmH₂O, CT5, CT imaging acquired at PEEP 5 cmH₂O. XGBoost, gradient-boosted tree; RF, random forest; LR, logistic regression; SVM, support vector machine