Table 1.
General clinicopathological characteristics of enrolled patients.
| Characteristics | N |
|---|---|
| Number of patients | 116 |
| Sex | |
| Male | 95 (81.9%) |
| Female | 21 (18.1%) |
| Age (years) | |
| ≤65 | 63 (54.3%) |
| >65 | 53 (45.7%) |
| Tumor location | |
| Upper-middle | 11 (9.5%) |
| Middle | 47 (40.5%) |
| Middle-lower | 40 (34.5%) |
| Lower | 18 (15.5%) |
| Tumor grade | |
| Low | 81 (69.8%) |
| High | 35 (30.2%) |
| T stage | |
| T1–T2 | 22 (19.0%) |
| T3–T4 | 94 (81.0%) |
| N stage | |
| N0–1 | 91 (78.4%) |
| N2–3 | 25 (21.6%) |
| TNM stage (8th edition, 2017) | |
| I–II | 56 (48.3%) |
| III–IV | 60 (51.7%) |
| Tumor length (cm) | |
| ≤4.5 | 75 (64.7%) |
| >4.5 | 41 (35.3%) |