Table 5 Overall and time-dependent performance of a composite radiomic score at predicting lung cancer prognosis
From: Quantifying lung cancer heterogeneity using novel CT features: a cross-institute study
Training set | Test set | External validation set | |
|---|---|---|---|
C-statistic | 0.830 | 0.687 | 0.672 |
AUC (t = 1 y) | 0.965 (NA) | 0.811 (NA) | 0.643 (0.459,0.800) |
AUC (t = 2 y) | 0.913 (0.832,0.978) | 0.658 (0.496,0.789) | 0.673 (0.515,0.819) |
AUC (t = 3 y) | 0.851 (0.781,0.937) | 0.642 (0.473,0.781) | 0.760 (0.628,0.911) |
AUC (t = 4 y) | 0.856 (0.771,0.937) | 0.739 (0.561,0.854) | 0.760 (0.628,0.911) |
AUC (t = 5 y) | 0.855 (0.771,0.934) | 0.780 (0.611,0.905) | 0.760 (0.628,0.911) |