Table 2 Clinicopathology characteristics of patients with COAD
Covariates | Â | Whole group | Test group | Train group | p value |
|---|---|---|---|---|---|
Age |  ≤ 65 | 158 (41.47%) | 80 (42.11%) | 78 (40.84%) | 0.883 |
 > 65 | 223 (58.53%) | 110 (57.89%) | 113 (59.16%) |  | |
Gender | Female | 180 (47.24%) | 83 (43.68%) | 97 (50.79%) | 0.1986 |
Male | 201 (52.76%) | 107 (56.32%) | 94 (49.21%) | Â | |
Stage | I | 65 (17.06%) | 31 (16.32%) | 34 (17.8%) | 0.373 |
II | 149 (39.11%) | 71 (37.37%) | 78 (40.84%) | Â | |
III | 102 (26.77%) | 51 (26.84%) | 51 (26.7%) | Â | |
IV | 54 (14.17%) | 33 (17.37%) | 21 (10.99%) | Â | |
Unknow | 11 (2.89%) | 4 (2.11%) | 7 (3.66%) | Â | |
T | T1 | 10 (2.62%) | 5 (2.63%) | 5 (2.62%) | 0.752 |
T2 | 67 (17.59%) | 31 (16.32%) | 36 (18.85%) | Â | |
T3 | 260 (68.24%) | 129 (67.89%) | 131 (68.59%) | Â | |
T4 | 44 (11.55%) | 25 (13.16%) | 19 (9.95%) | Â | |
M | M0 | 282 (74.02%) | 139 (73.16%) | 143 (74.87%) | 0.1489 |
M1 | 54 (14.17%) | 33 (17.37%) | 21 (10.99%) | Â | |
Unknow | 45 (11.81%) | 18 (9.47%) | 27 (14.14%) | Â | |
N | N0 | 228 (59.84%) | 111 (58.42%) | 117 (61.26%) | 0.7004 |
N1 | 87 (22.83%) | 43 (22.63%) | 44 (23.04%) | Â | |
N2 | 66 (17.32%) | 36 (18.95%) | 30 (15.71%) | Â |