Table 2 Model performance on test set data for predicting 30-day major adverse cardiovascular events following open abdominal aortic aneurysm repair using pre-operative features.

From: Predicting outcomes following open abdominal aortic aneurysm repair using machine learning

 

AUROC

(95% CI)

Accuracy (95% CI)

Sensitivity

Specificity

PPV

NPV

XGBoost

0.90

(0.89–0.91)

0.81

(0.80–0.82)

0.81

0.81

0.82

0.80

Random forest

0.88

(0.87–0.89)

0.80

(0.78–0.81)

0.83

0.77

0.76

0.84

RBF SVM

0.86

(0.85–0.88)

0.78

(0.76–0.79)

0.77

0.79

0.81

0.75

Naïve Bayes

0.82

(0.81–0.83)

0.82

(0.81–0.84)

0.80

0.84

0.86

0.78

MLP ANN

0.77

(0.75–0.79)

0.72

(0.70–0.73)

0.70

0.75

0.83

0.60

Logistic regression

0.66

(0.64–0.68)

0.58

(0.56–0.60)

0.55

0.71

0.70

0.55

  1. Abbreviations: XGBoost (Extreme Gradient Boosting), AUROC (area under the receiver operating characteristic curve), CI (confidence interval), PPV (positive predictive value), NPV (negative predictive value), RBF SVM (radial basis function support vector machine), MLP ANN (multilayer perceptron artificial neural network).