Models | Testing dataset | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Predict deceased | Predict survived | Accuracy [95% CI] | P value (vs RF model) | Positive predictive value [95% CI] | P value (vs RF model) | Negative predictive value [95% CI] | P value (vs RF model) | Specificity [95% CI] | P value (vs RF model) | Sensitivity [95% CI] | P value (vs RF model) | AUC [95% CI] | P value (vs RF model) | |
Random Forests (RF) | ||||||||||||||
  Deceased | 13 | 6 | 0.95 [0.91–0.98] |  | 0.93 [0.66–1.00] |  | 0.96 [0.91–0.98] |  | 0.99 [0.96–1.00] |  | 0.68 [0.43–0.87] |  | 0.99 [0.95–1.00] |  |
  Survived | 1 | 128 | ||||||||||||
Gradient Boosting (GB) | ||||||||||||||
  Deceased | 11 | 8 | 0.93 [0.88–0.97] | 0.11 | 0.85 [0.55–0.98] | 0.49 | 0.94 [0.89–0.97] | 0.31 | 0.98 [0.95–1.00] | 0.56 | 0.58 [0.33–0.80] | 0.32 | 0.98 [0.94–1.00] | 0.47 |
  Survived | 2 | 127 | ||||||||||||
Artificial Neural Network (ANN) | ||||||||||||||
  Deceased | 13 | 6 | 0.94 [0.89–0.97] | 0.5 | 0.81 [0.54–0.96] | 0.32 | 0.95 [0.90–0.98] | 0.95 | 0.98 [0.93–1.00] | 0.32 | 0.68 [0.43–0.87] | 1 | 0.92 [0.83–1.00] | 0.01 |
  Survived | 3 | 126 | ||||||||||||
Logistic Regression (LR) | ||||||||||||||
  Deceased | 7 | 12 | 0.91 [0.85–0.95] | 0.01 | 0.88 [0.47–1.00] | 0.69 | 0.91 [0.86–0.95] | 0.03 | 0.99 [0.96–1.00] | 1 | 0.37 [0.16–0.62] | 0.03 | 0.95 [0.88–1.00] | 0.02 |
  Survived | 1 | 128 | ||||||||||||
Naive Bayes (NB) | ||||||||||||||
  Deceased | 7 | 12 | 0.89 [0.83–0.94] | 0.02 | 0.64 [0.31–0.89] | 0.01 | 0.91 [0.85–0.95] | 0.03 | 0.97 [0.92–0.99] | 0.18 | 0.37 [0.16–0.62] | 0.03 | 0.91 [0.82–1.00] | 0.02 |
  Survived | 4 | 125 | ||||||||||||
Support Vector Machine (SVM) | ||||||||||||||
  Deceased | 5 | 14 | 0.90 [0.84–0.94] | 0.01 | 0.83 [0.36–1.00] | 0.58 | 0.90 [0.84–0.95] | 0.02 | 0.99 [0.96–1.00] | 1 | 0.26 [0.09–0.51] | 0.02 | 0.94 [0.86–1.00] | 0.02 |
  Survived | 1 | 128 | ||||||||||||
K-Nearest Neighbors (KNN) | ||||||||||||||
  Deceased | 5 | 14 | 0.90 [0.84–0.94] | 0.01 | 0.83 [0.36–1.00] | 0.58 | 0.90 [0.84–0.95] | 0.02 | 0.99 [0.96–1.00] | 1 | 0.26 [0.09–0.51] | 0.02 | 0.81 [0.68–0.93] | 0.01 |
  Survived | 1 | 128 |