Table 3. Baseline characteristics of enrolled patients.
| Training cohort | Testing cohort | Total | |||||
|---|---|---|---|---|---|---|---|
| Number of patients | recurrence cases (%) | Number of patients | recurrence cases (%) | Number of patients | recurrence cases (%) | ||
| Sex | Male | 45 | 17 (38%) | 38 | 11 (29%) | 83 | 28 (34%) |
| Female | 22 | 5 (23%) | 14 | 4 (29%) | 36 | 9 (25%) | |
| Age | 65 years or younger | 58 | 18 (31%) | 41 | 14 (34%) | 99 | 32 (32%) |
| older than 65 years | 9 | 4 (44%) | 11 | 1 (9%) | 20 | 5 (25%) | |
| TNM stages | IIIA and IIIB | 35 | 7 (20%) | 21 | 3 (14%) | 56 | 10 (18%) |
| IIIC | 32 | 15 (47%) | 31 | 12 (39%) | 63 | 27 (43%) | |
| T stage | T2-T4a | 54 | 17 (31%) | 40 | 10 (25%) | 94 | 27 (29%) |
| T4b | 13 | 5 (38%) | 12 | 5 (42%) | 25 | 10 (40%) | |
| Number of nodes invasion examined | Less than 16 | 40 | 10 (25%) | 36 | 8 (22%) | 76 | 18 (24%) |
| 16 or more | 27 | 12 (44%) | 16 | 7 (44%) | 43 | 19 (44%) | |
| Differentiation type | high or medium | 15 | 3 (20%) | 17 | 4 (24%) | 32 | 7 (22%) |
| low | 51 | 19 (37%) | 35 | 11 (31%) | 86 | 30 (35%) | |
| Lauren's Classification | Intestinal and mixed type | 31 | 9 (29%) | 26 | 7 (27%) | 57 | 16 (28%) |
| Diffuse type | 36 | 13 (34%) | 26 | 8 (31%) | 62 | 21 (34%) | |