Table 5.
Training cohort | Validation cohort | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Index | Estimate | 95%CI | P value | Estimate | 95%CI | P value | |||||
NRI (vs. AJCC stage System) | |||||||||||
For 1-year OS | 0.7870 | 0.6564–0.9210 | 0.6826 | 0.4294–0.8421 | |||||||
For 3-year OS | 0.6991 | 0.4523–0.8901 | 0.5485 | 0.2511–0.9997 | |||||||
IDI (vs. AJCC stage System) | |||||||||||
For 1-year OS | 0.184 | 0.156–0.212 | <0.0001 | 0.156 | 0.116–0.195 | <0.0001 | |||||
For 3-year OS | 0.095 | 0.067–0.132 | <0.0001 | 0.108 | 0.061–0.169 | <0.0001 | |||||
C-Index | |||||||||||
The nomogram (OS) | 0.7403 | 0.7259–0.7546 | 0.6953 | 0.6728–0.7179 | |||||||
AJCC Stage System | 0.5724 | 0.5536–0.5912 | 0.5495 | 0.5220–0.5769 |