Table 3 Pathological characteristics
Parameters | TVSE (n = 45) | LAP (n = 45) | p value |
|---|---|---|---|
Tumor size, cm (mean ± SD) | 3.5 ± 1.3 | 3.6 ± 1.2 | 0.595 |
Proximal margin, cm (mean ± SD) | 12.4 ± 8.6 | 11.6 ± 8.3 | 0.568 |
Distal margin, cm (mean ± SD) | 3.8 ± 1.5 | 4.2 ± 2.3 | 0.326 |
Retrieved lymph node, n (mean ± SD) | 15.9 ± 5.3 | 14.8 ± 4.7 | 0.360 |
Positive lymph node, n (mean ± SD) | 1.1 ± 2.6 | 1.1 ± 2.7 | 1.000 |
Histologic differentiation, n (%) | 0.950 | ||
Well | 10 (22.2) | 9 (20) | |
Moderate | 32 (71.1) | 34 (75.6) | |
Poor | 3 (6.7) | 2 (4.4) | |
TNM stage, n (%) | 0.857 | ||
I | 10 (22.2) | 12 (26.6) | |
II | 15 (33.4) | 15 (33.4) | |
III | 20 (44.4) | 18 (40) |