Table 3.
Comparisons among receiver operating characteristics curves obtained by Cox versus neural network models predicting 45-year all-cause mortality (1447 deaths among 1591 men)
| First Model | Compared to the Model | p |
|---|---|---|
| Cox forced |
Cox forward stepwise |
0.9587 |
| Cox forced |
Cox backward stepwise |
0.9588 |
| Cox forced |
Neural network forced |
0.3478 |
| Cox forced |
Neural network stepwise |
0.3681 |
| Cox forward stepwise |
Cox backward stepwise |
1.0000 |
| Cox forward stepwise |
Neural network forced |
0.3478 |
| Cox forward stepwise |
Neural network stepwise |
0.4236 |
| Cox backward stepwise |
Neural network forced |
0.3861 |
| Cox backward stepwise |
Neural network stepwise |
0.4269 |
| Neural network forced | Neural network stepwise | 0.7237 |