Table 1.
Clinicopathological characteristics of the patients
| Characteristics | Total | SYSUCC | STCH | P value* |
|---|---|---|---|---|
| Cases (%) | Cases (%) | Cases (%) | ||
| Gender | ||||
| Male | 150 (75.8) | 80 (74.8) | 70 (76.9) | 0.724 |
| Female | 48 (24.2) | 27 (25.2) | 21 (23.1) | |
| Age (year) | ||||
| > 55 | 113 (57.1) | 53 (49.5) | 60 (65.9) | 0.02 |
| ≤ 55 | 85 (42.9) | 54 (50.5) | 31 (34.1) | |
| T Classification | ||||
| T3 - T4 | 138 (69.7) | 63 (58.9) | 75 (82.4) | P < 0.001 |
| T1 - T2 | 60 (30.3) | 44 (41.1) | 16 (17.6) | |
| N Classification | ||||
| Yes | 78 (39.4) | 43 (40.2) | 35 (38.5) | 0.804 |
| No | 120 (60.6) | 64 (59.8) | 56 (61.5) | |
| Recurrence | ||||
| Yes | 77 (38.9) | 19 (17.8) | 58 (63.7) | P < 0.001 |
| No | 121 (61.1) | 88 (82.2) | 33 (36.3) | |
| TNM Staging | ||||
| Ⅱ-Ⅳ | 179 (90.4) | 100 (93.5) | 79 (86.8) | 0.114 |
| Ⅰ | 19 (9.6) | 7 (6.5) | 12 (13.2) | |
| Differentiation† | ||||
| Poor | 22 (12.0) | 13 (12.1) | 9 (11.0) | 0.736 |
| Well + Moderate | 162 (88.0) | 89 (83.2) | 73 (89.0) |
Abbreviations: TNM, tumor-node-metastasis. SYSUCC, Sun Yat-sen University Cancer Center. STCH, Shantou Central Hospital.
† Data was missing in these variables for some patients.*P values represent the correlation on clinicopathological features between SYSUCC cohort and STCH cohort.