Table 1. Clinical characteristics of the included patients.
| Characteristics | Number of sample size (%) |
|---|---|
| Age (years) | |
| ≥60 | 203 (54.42) |
| <60 | 169 (45.31) |
| NA | 1 (0.27) |
| Gender | |
| Female | 121 (32.44) |
| Male | 252 (67.56) |
| Family history | |
| Yes | 112 (30.03) |
| No | 209 (56.03) |
| NA | 52 (13.94) |
| Tumor status | |
| With tumor | 112 (30.03) |
| Tumor free | 234 (62.73) |
| NA | 27 (7.24) |
| Radiation therapy | |
| No | 341 (91.42) |
| Yes | 9 (2.41) |
| NA | 23 (6.17) |
| Histologic grade | |
| Grade 1 | 55 (14.75) |
| Grade 2 | 178 (47.72) |
| Grade 3 | 123 (32.98) |
| Grade 4 | 12 (3.22) |
| NA | 5 (1.34) |
| Vascular invasion | |
| Macro | 16 (4.29) |
| Micro | 94 (25.20) |
| None | 207 (55.50) |
| NA | 56 (15.01) |
| TNM Stage | |
| Stage I | 172 (46.11) |
| Stage II | 87 (23.32) |
| Stage III | 85 (22.79) |
| Stage IV | 5 (1.34) |
| NA | 24 (6.43) |
| T classification | |
| T1 | 182 (48.79) |
| T2 | 95 (25.47) |
| T3 | 80 (21.45) |
| T4 | 13 (3.49) |
| TX | 1 (0.27) |
| NA | 2 (0.54) |
| N classification | |
| N0 | 253 (67.83) |
| N1 | 4 (1.07) |
| NX | 115 (30.83) |
| NA | 1 (0.27) |
| M classification | |
| M0 | 267 (71.58) |
| M1 | 4 (1.07) |
| MX | 102 (27.35) |
| Residual tumor | |
| R0 | 326 (87.40) |
| R1 | 17 (4.56) |
| R2 | 1 (0.27) |
| RX | 22 (5.90) |
| NA | 7 (1.88) |
| Vital status | |
| Living | 243 (65.15) |
| Deceased | 130 (34.85) |
| Relapse | |
| Yes | 176 (47.18) |
| No | 146 (39.14) |
| NA | 51 (13.67) |
Notes.
- NA
- not available
- T
- tumor stage
- N
- node
- M
- metastasis