TABLE 2.
Survival time | Items | Training set | Validation set | |
---|---|---|---|---|
Est (95% CI) | Est (95% CI) | |||
CSS | 1‐year | IDI | 0.18 (0.17–0.18)*** | 0.17 (0.16–0.19)*** |
NRI | 0.47 (0.45–0.49)*** | 0.47 (0.45–0.50)*** | ||
3‐year | IDI | 0.20 (0.19–0.21)*** | 0.19 (0.18–0.21)*** | |
NRI | 0.48 (0.47–0.50)*** | 0.48 (0.45–0.51)*** | ||
5‐year | IDI | 0.23 (0.22–0.25)*** | 0.21 (0.19–0.24)*** | |
NRI | 0.51 (0.49–0.54)*** | 0.48(0.44–0.53)*** | ||
OS | 1‐year | IDI | 0.18 (0.17–0.18)*** | 0.18 (0.16–0.19)*** |
NRI | 0.46 (0.44–0.47)*** | 0.46 (0.44–0.48)*** | ||
3‐year | IDI | 0.20 (0.19–0.21)*** | 0.19 (0.18–0.21)*** | |
NRI | 0.47 (0.45–0.49)*** | 0.46 (0.43–0.50)*** | ||
5‐year | IDI | 0.22 (0.21–0.24)*** | 0.21 (0.18–0.23)*** | |
NRI | 0.49 (0.45–0.52)*** | 0.46 (0.33–0.51)*** |
Abbreviations: CI: confidence interval; CSS, cause‐specific survival; Est, Empower Stat; IDI, integrated discrimination improvement index; NRI, category‐less net reclassification index; OS, overall survival.
p < 0.001.