Table 2 Prediction performance of different models.
Model | C-index (95% CI) | 1-year AUC (95% CI) | 2-year AUC (95% CI) | 3-year AUC (95% CI) |
|---|---|---|---|---|
Training set | ||||
Clinical model | 0.683(0.623–0.743) | 0.732(0.636–0.829) | 0.731(0.641–0.821) | 0.722(0.639–0.805) |
RS | 0.711(0.648–0.775) | 0.780(0.675–0.885) | 0.773(0.691–0.855) | 0.760(0.683–0.837) |
DLS | 0.742(0.675–0.809) | 0.751(0.626–0.874) | 0.756(0.658–0.854) | 0.781(0.697–0.865) |
Combined model | 0.826(0.779–0.873) | 0.852(0.765–0.940) | 0.867(0.803–0.932) | 0.888(0.835–0.941) |
Internal testing set | ||||
Clinical model | 0.634(0.528–0.740) | 0.661(0.455–0.868) | 0.686(0.529–0.843) | 0.679(0.547–0.811) |
RS | 0.679(0.571–0.787) | 0.638(0.432–0.844) | 0.693(0.530–0.856) | 0.742(0.618–0.867) |
DLS | 0.727(0.624-0.832) | 0.787(0.595-0.979) | 0.809(0.670-0.948) | 0.748(0.614-0.883) |
Combined model | 0.810(0.736-0.883) | 0.820(0.685-0.955) | 0.880(0.792-0.969) | 0.858(0.768-0.949) |
External testing set | ||||
Clinical model | 0.602(0.493-0.711) | 0.589(0.330-0.848) | 0.597(0.433-0.761) | 0.622(0.487-0.756) |
RS | 0.617(0.509-0.725) | 0.693(0.534-0.852) | 0.670(0.508-0.831) | 0.658(0.514-0.803) |
DLS | 0.729(0.623-0.835) | 0.652(0.378-0.927) | 0.784(0.623-0.944) | 0.709(0.574-0.844) |
Combined model | 0.742(0.649-0.834) | 0.707(0.521-0.893) | 0.812(0.683-0.942) | 0.778(0.651-0.904) |
