Variable | Model group | Validation group | Group difference | |
---|---|---|---|---|
N = 7536 | N = 7410 | Test value | P value | |
Overall survival [month] | 32 (17.54) | 31 (17.54) | 1.822 | 0.177 |
Age [year] | 48 (38.59) | 47 (38.58) | 2.791 | 0.095 |
Death [n (%)] | 1846 (24.5) | 1791 (24.2) | 0.198 | 0.656 |
PT 0 [n (%)] | 1 (0) | 6 (0.1) | 1.42 | 0.233 |
PT 1 [n (%)] | 4326 (58.8) | 4341 (59.0) | Â | Â |
PT 2 [n (%)] | 1782 (24.2) | 1643 (22.3) | Â | Â |
PT 3 [n (%)] | 1158 (15.7) | 1171 (15.9) | Â | Â |
PT 4 [n (%)] | 269 (3.7) | 249 (3.4) | Â | Â |
PN 1 [n (%)] | 2018 (26.8) | 1913 (25.8) | 1.733 | 0.188 |
PM 1 [n (%)] | 875 (11.6) | 836 (11.3) | 0.367 | 0.545 |
Stage 1 [n (%)] | 3696 (49.9) | 3708 (50.0) | 1.43 | 0.232 |
Stage 2 [n (%)] | 1057 (14.3) | 1014 (13.7) | Â | Â |
Stage 3 [n (%)] | 1764 (23.8) | 1721 (23.2) | Â | Â |
Stage 4 [n (%)] | 1019 (13.8) | 967 (13.0) | Â | Â |
Radiation_Surgery [n (%)] | 1971 (24.8) | 1872 (25.3) | 0.355 | 0.551 |
Chemotherapy [n (%)] | 3937 (52.2) | 3826 (51.6) | 0.532 | 0.466 |