Table 5 Postoperative pathological characteristics and outcomes
Robot (n = 314) | Laparoscopy (n = 220) | P value | |
|---|---|---|---|
TNM stage | |||
I | 18 (5.7%) | 37 (16.8%) | < 0.001 |
II and III | 296 (94.3%) | 183 (83.2%) | |
Differentiation grade | 0.001 | ||
Well | 12 (3.8%) | 12 (5.5%) | 0.370 |
Moderate | 284 (90.4%) | 184 (83.6%) | 0.019 |
Poor | 17 (5.4%) | 12 (5.5%) | 0.984 |
Mucinous | 1 (0.3%) | 12 (5.5%) | < 0.001 |
Lymph nodes retrieved (no.) | 13 (7) | 13 (6.3) | 0.389 |
PRM (cm) | 10.0 ± 2.9 | 12.7 ± 3.9 | < 0.001 |
DRM (cm) | 2.6 ± 0.7 | 3.1 ± 1.0 | 0.022 |
Lymphovascular invasion | |||
No | 239 (76.1%) | 176 (80.0%) | 0.288 |
Yes | 75 (23.9%) | 44 (20.0%) | |
CRM | |||
Noninvolved (> 1 mm) | 312 (98.7%) | 220 (100%) | 0.242 |
Involved (≤ 1 mm) | 4 (1.3%) | 0 | |