Table 4 C-indexes for the nomograms and TNM staging systems in patients with PC after IRE treatment
Survival | Â | Training set | P | Validation set | P |
|---|---|---|---|---|---|
Overall survival | Nomogram | 0.652 (0.579–0.725) | Reference | 0.659 (0.571–0.747) | Reference |
TNM 8th stage | 0.567(0.492–0.642) | 0.015 | 0.592 (0.505–0.679) | 0.088 | |
Cancer-specific survival | Nomogram | 0.706 (0.630–0.782) | Reference | 0.763 (0. 689–0.837) | Reference |
TNM 8th stage | 0.553 (0.469–0.637) | < 0.001 | 0.684 (0.603–0.765) | 0.073 |