Table 5 Comparison of Harrell’s concordance index between TNM stage and prognostic models based on PET/MRI biomarkers
OS | PFS | |||
|---|---|---|---|---|
c-index | 95% CI | c-index | 95% CI | |
TNM stage | 0.56 | 0.49–0.62 | 0.53 | 0.45–0.61 |
PET/MRI model for OS | 0.79* | 0.66–0.91 | ||
PET/MRI model for PFS | 0.70** | 0.60–0.80 | ||