Table 4 Performance of the R-score, C-model, and CR-model in predicting post-operative outcomes
From: Prognostic value of CT-based radiomics in grade 1–2 pancreatic neuroendocrine tumors
Outcome | Model | Development set | P value | Test set | P value |
|---|---|---|---|---|---|
C-index (95% CI) | C vs. CR model | C-index (95% CI) | C vs. CR model | ||
Recurrence-free survival | |||||
R-score | 0.778 (0.748–0.808) | 0.716 (0.659–0.772) | |||
C-model | 0.761 (0.732–0.790) | 0.662 (0.591–0.733) | |||
CR-model | 0.811 (0.780–0.842) | 0.045 | 0.734 (0.674–0.793) | 0.012 | |
Overall survival | |||||
R-score | 0.648 (0.588–0.709) | 0.674 (0.597–0.751) | |||
C-model | 0.697 (0.638–0.755) | 0.675 (0.605–0.745) | |||
CR-model | 0.730 (0.673–0.787) | 0.127 | 0.781 (0.721–0.841) | 0.043 |