Fig. 3From: Machine learning-based prediction model of acute kidney injury in patients with acute respiratory distress syndromeConfusion matrixs of XGBoost and XGBoost_HPO. a Confusion matrixs of XGBoost in testing set; b Confusion matrixs of XGBoost_HPO in testing set; c Confusion matrixs of XGBoost_HPO in extra validation set. XGBoost, eXtreme gradient boosting; HPO, hyperparameter optimizationBack to article page