Table 1:
Clinicopathological characteristics of patients in each of the clinical cohorts
| Testing cohort | Validation cohort | Performance evaluation cohort | P Value | ||
|---|---|---|---|---|---|
|
| |||||
| Variable | number | number | number | ||
| Gender | Male | 40 | 62 | 158 | |
| Female | 25 | 23 | 46 | 0.04 | |
| Age at operation | median (range) | 69 (18-90) | 70 (25-92) | 69 (20-88) | 0.7 |
| Macroscopical type | type1, 2 | 31 | 43 | 100 | |
| type3,4 | 34 | 42 | 104 | 0.94 | |
| Tumor size (mm) | median (range) | 55 (12-170) | 55 (10-120) | 55 (15-180) | 0.21 |
| Histological type | intestinal | 27 | 48 | 76 | |
| Diffuse | 38 | 37 | 128 | 0.01 | |
| T factor | T2 | 12 | 20 | 40 | |
| T3 | 14 | 35 | 59 | ||
| T4 | 39 | 30 | 105 | 0.03 | |
| Lymph node metastasis | Negative | 21 | 29 | 59 | |
| Positive | 44 | 56 | 145 | 0.66 | |
| UICC Stage | 1B | 8 | 16 | 23 | |
| 2 | 15 | 26 | 47 | ||
| 3 | 18 | 17 | 69 | ||
| 4 | 24 | 26 | 65 | 0.2 | |
| Lymphatic invasion | Negative | 5 | 36 | 20 | |
| Positive | 60 | 49 | 184 | <0.0001 | |
| Venous invasion | Negative | 26 | 14 | 67 | |
| Positive | 39 | 71 | 137 | 0.004 | |