Table 1.
Patient demographic and pathological characteristics.
| Factors | Subgroup | EG(n = 45) (%) | DTR(n = 58) (%) | P |
| Age (median, IQR) (yr) | 63.0 (53.5, 72.5) | 65.5 (52.8, 72.0) | .833 | |
| Sex | Male | 33 (73.3) | 47 (81.0) | .475 |
| Female | 12 (26.7) | 11 (19.0) | ||
| BMI (mean ± SD) (kg/m2) | 25.0 ± 3.3 | 23.5 ± 3.1 | .018 | |
| ASA | I | 13 (28.9) | 21 (36.2) | .131 |
| II | 29 (64.4) | 37 (63.8) | ||
| III | 3 (6.7) | 0 (0) | ||
| Tumor size (median, IQR) (cm) | 2.4 (1.6, 3.9)) | 2.0 (1.3, 2.8) | .043 | |
| Number of positive lymph node (median, IQR) | 0 (0, 0) | 0 (0, 0) | .996 | |
| Number of harvested lymph node (median, IQR) | 26.0 (20.5, 36.5) | 34.0 (24.6, 40.3) | .022 | |
| pT | 1 | 38 (84.4) | 58 (100) | .02 |
| 2 | 7 (15.6) | 0 (0) | ||
| pN | 0 | 41 (91.1) | 57 (98.3) | .165 |
| 1 | 4 (8.9) | 1 (1.7) |