Table 1 Clinical characteristics of the colon adenocarcinoma samples in the training and validation datasets
Clinical characteristics | Training dataset (N=574) | Validation dataset (N=310) |
|---|---|---|
Age at pathologic diagnosis (years, mean ± sd) | 66.89 ± 13.22 | 65.73 ± 12.71 |
Gender (male/female) | 317/257 | 169/141 |
Pathologic stage (1/2/3/4) | 41/267/206/60 | 51/118/88/43/10 |
Pathological T (1/2/3/4/–) | 13/47/373/118/23 | 8/55/212/34/1 |
Pathological N (0/1/2/3/–) | 309/134/99/6/26 | 180/77/53/0/0 |
Pathological M (0/1/-) | 491/61/22 | 226/43/41 |
Tumor location (distal/proximal) | 348/226 | – |
Chemotherapy (yes/no) | 239/319/16 | – |
Tumor recurrence (yes/no) | 179/375 | 66/244 |
Recurrence free survival time (months, mean ± sd) | 49.79 ± 40.76 | 29.66 ± 25.46 |