Table 1.
Clinicopathologic characteristics of patients in different risk groups.
| Characteristics | Whole cohort | Low risk | High risk | P |
|---|---|---|---|---|
| Case | 454 | 223 | 222 | |
| Age | 0.8409 | |||
| ≤ 60 | 152 (33.5) | 76 (34.1) | 73 (32.9) | |
| > 60 | 302 (66.5) | 147 (65.9) | 149 (67.1) | |
| Gender | 0.0173 | |||
| Female | 248 (54.6) | 135 (60.5) | 109 (49.1) | |
| Male | 206 (45.4) | 88 (39.5) | 113 (50.9) | |
| Stage | 0.002548 | |||
| Stage I | 243 (53.5) | 140 (62.8) | 98 (44.1) | |
| Stage Ⅱ | 105 (23.1) | 45 (20.2) | 57 (25.6) | |
| Stage Ⅲ | 74 (16.3) | 26 (11.7) | 47 (21.2) | |
| Stage Ⅳ | 24 (5.3) | 7 (3.1) | 17 (7.7) | |
| T (Tumor) | ||||
| T1 | 156 (34.4) | 96 (43.0) | 56 (25.2) | 0.000415 |
| T2 | 240 (52.9) | 103 (46.2) | 132 (59.5) | |
| T3 | 37 (8.1) | 17 (7.6) | 20 (9.0) | |
| T4 | 18 (4.0) | 5 (2.2) | 13 (5.9) | |
| N (Lymph Node) | 0.005335 | |||
| N0 | 291 (64.1) | 157 (70.4) | 129 (58.1) | |
| N1 | 86 (18.9) | 36 (16.1) | 47 (21.2) | |
| N2 | 64 (14.1) | 22 (9.9) | 41 (18.5) | |
| N3 | 2 (0.4) | 0 (0) | 2 (0.9) | |
| M (Metastasis) | 0.03075 | |||
| M0 | 305 (67.2) | 148 (66.4) | 148 (66.7) | |
| M1 | 23 (5.1) | 6 (2.7) | 17 (7.7) | |