Table 1 Comparisons of the prediction performance in concordance index between using clinical only and clinical plus imaging data, obtained by five machine learning algorithms.
Method | Clinical features only | Clinical and imaging feature |
|---|---|---|
Cox proportional hazards model | 78.3 (77.9, 78.7) | 79.1 (78.8, 79.5) |
Survival support vector machines | 78.1 (77.7, 78.4) | 79.6 (79.2, 79.9) |
Random survival forests | 79.5 (79.1, 79.9) | 80.0 (79.7, 80.4) |
Survival gradient boosting | 78.4 (78.0, 78.8) | 80.4 (80.0, 80.7) |
Ensemble averaging | 80.3 (79.9, 80.6) | 81.0 (80.7, 81.3) |
