Table 2 Predictive performance (C-index) of intratumoral, different peritumoral, and deep learning radscores for LC and OS prediction of the LRRC patients in the training and validation sets. Peri peritumoral, RS radscore, C-index concordance index, CI confidence interval.
Training | Validation | Training | Validation | |
|---|---|---|---|---|
LC prediction: C-index (95%CI) | OS prediction: C-index (95%CI) | |||
RSIntra | 0.74 (0.68–0.80) | 0.72 (0.63–0.81) | 0.72 (0.67–0.77) | 0.67 (0.60–0.70) |
RSperi1mm | 0.77 (0.71–0.83) | 0.70 (0.60–0.77) | 0.69 (0.63–0.75) | 0.57 (0.47–0.67) |
RSperi2mm | 0.72 (0.65–0.79) | 0.66 (0.58–0.78) | 0.72 (0.66–0.77) | 0.46 (0.36–0.56) |
RSperi3mm | 0.75 (0.69–0.81) | 0.65 (0.55–0.76) | 0.70 (0.65–0.76) | 0.49 (0.38–0.60) |
RSperi4mm | 0.73 (0.67–0.78) | 0.61 (0.52–0.72) | 0.72 (0.67–0.77) | 0.64 (0.53–0.74) |
RSperi5mm | 0.67 (0.58–0.72) | 0.62 (0.56–0.74) | 0.72 (0.66–0.79) | 0.55 (0.50–0.68) |
RSperi6mm | 0.74 (0.68–0.80) | 0.61 (0.49–0.72) | 0.70 (0.64–0.79) | 0.58 (0.51–0.69) |
RSDL1 | 0.69 (0.62–0.75) | 0.53 (0.40–0.66) | 0.66 (0.60–0.72) | 0.60 (0.51–0.69) |
RSDL2 | 0.73 (0.67–0.78) | 0.56 (0.44–0.67) | 0.70 (0.65–0.75) | 0.63 (0.54–0.70) |
RSDL3 | 0.66 (0.65–0.78) | 0.54 (0.42–0.66) | 0.67 (0.62–0.74) | 0.52 (0.40–0.63) |
RSDL4 | 0.73 (0.66–0.78) | 0.67 (0.57–0.77) | 0.69 (0.65–0.72) | 0.57 (0.51–0.70) |
Clinic | 0.61 (0.54–0.68) | 0.66 (0.60–0.72) | 0.68 (0.63–0.73) | 0.67 (0.60–0.74) |
