TABLE 1.
Variables | All patients,n (%) | Training set,n (%) | Validation set,n (%) | p value |
---|---|---|---|---|
Total | 695 (100.0) | 495 (71.2) | 200 (28.8) | |
Sex | 0.163 | |||
Female | 183 (26.3) | 123 (24.8) | 60 (30.0) | |
Male | 512 (73.7) | 372 (75.2) | 140 (70.0) | |
Age | 0.601 | |||
<47 | 73 (10.5) | 53 (10.7) | 20 (10.0) | |
47–72 | 471 (67.8) | 330 (66.7) | 141 (70.5) | |
>72 | 151 (21.7) | 112 (22.6) | 39 (19.5) | |
T stage | 0.392 | |||
I | 201 (28.9) | 151 (30.5) | 50 (25.0) | |
II | 301 (43.3) | 214 (43.2) | 87 (43.5) | |
III | 185 (26.6) | 125 (25.3) | 60 (30.0) | |
IV | 8 (1.2) | 5 (1.0) | 3 (1.5) | |
Country | 0.998 | |||
China | 68 (9.8) | 48 (9.7) | 20 (10.0) | |
France | 85 (12.2) | 61 (12.3) | 24 (12.0) | |
Japan | 318 (45.8) | 226 (45.7) | 92 (46.0) | |
American | 224 (32.2) | 160 (32.3) | 64 (32.0) |