Table 2 The basic characteristics of the clinical variables in COAD patients.
Clinical features | Total | Training cohort | Validation cohort |
---|---|---|---|
Sample size | 430 | 215 | 215 |
Age | |||
< = 65 | 173 | 83 | 90 |
> 65 | 257 | 132 | 125 |
Gender | |||
Female | 206 | 107 | 99 |
Male | 224 | 108 | 116 |
Stage | |||
Stage I | 73 | 39 | 34 |
Stage II | 173 | 84 | 89 |
Stage III | 123 | 62 | 61 |
Stage III | 61 | 30 | 31 |
T classification | |||
T1 | 8 | 2 | 6 |
T2 | 73 | 42 | 31 |
T3 | 295 | 148 | 147 |
T4 | 54 | 23 | 31 |
M classification | |||
M0 | 326 | 169 | 157 |
M1 | 61 | 30 | 31 |
Mx | 43 | 16 | 27 |
N classification | |||
N0 | 254 | 125 | 129 |
N1 | 100 | 46 | 54 |
N2 | 76 | 44 | 32 |