Table 2.
Characteristics of pancreatic cancer patients.
| Characteristics | No. (%) | p value | ||
|---|---|---|---|---|
| Entire cohort (n = 178) | Training group (n = 88) | Validation group (n = 90) | ||
| Age (years) | 0.4868 | |||
| ≤60 | 58 (32.58%) | 26 (29.55%) | 32 (35.56%) | |
| >60 | 120 (67.42%) | 62 (70.45%) | 58 (64.44%) | |
| Gender | 0.2222 | |||
| Female | 80 (44.94%) | 35 (39.77%) | 45 (50%) | |
| Male | 98 (55.06%) | 53 (60.23%) | 45 (50%) | |
| Histologic grade | 0.3903 | |||
| G1 | 31 (17.42%) | 14 (15.91%) | 17 (18.89%) | |
| G2 | 95 (53.37%) | 51 (57.95%) | 44 (48.89%) | |
| G3 | 48 (26.97%) | 20 (22.73%) | 28 (31.11%) | |
| G4 | 2 (1.12%) | 1 (1.14%) | 1 (1.11%) | |
| Unknown | 2 (1.12%) | 2 (2.27%) | 0 (0%) | |
| Pathologic stage | 0.2498 | |||
| Stage I | 21 (11.8%) | 15 (17.05%) | 6 (6.67%) | |
| Stage II | 146 (82.02%) | 68 (77.27%) | 78 (86.67%) | |
| Stage III | 3 (1.69%) | 1 (1.14%) | 2 (2.22%) | |
| Stage IV | 5 (2.81%) | 2 (2.27%) | 3 (3.33%) | |
| Unknown | 3 (1.69%) | 2 (2.27%) | 1 (1.11%) | |
| T stage | 0.6067 | |||
| T1 | 7 (3.93%) | 5 (5.68%) | 2 (2.22%) | |
| T2 | 24 (13.48%) | 14 (15.91%) | 10 (11.11%) | |
| T3 | 142 (79.78%) | 67 (76.14%) | 75 (83.33%) | |
| T4 | 3 (1.69%) | 1 (1.14%) | 2 (2.22%) | |
| Unknown | 2 (1.12%) | 1 (1.14%) | 1 (1.11%) | |
| M stage | 0.3219 | |||
| M0 | 79 (44.38%) | 44 (50%) | 35 (38.89%) | |
| M1 | 5 (2.81%) | 2 (2.27%) | 3 (3.33%) | |
| Unknown | 94 (52.81%) | 42 (47.73%) | 52 (57.78%) | |
| N stage | 0.8822 | |||
| N0 | 50 (28.09%) | 25 (28.41%) | 25 (27.78%) | |
| N1 | 123 (69.1%) | 60 (68.18%) | 63 (70%) | |
| Unknown | 5 (2.81%) | 3 (3.41%) | 2 (2.22%) | |