Table 1.
Patient demographics, basal metabolic index (BMI), location of the tumor, and operative procedure
| Characteristics | Robotic-assisted surgery (n = 25) | Open surgery (n = 25) |
|---|---|---|
| Male:female | 17:8 | 15:10 |
| Age (years) | 56.36 ± 8.21 | 59.56 ± 5.75 |
| Mean BMI (kg/m2) | 31.51 ± 3.02 | 29.84 ± 2.75 |
| Site | ||
| Upper third | 2 | 5 |
| Mid third | 10 | 8 |
| Lower third | 13 | 12 |
| Preoperative CTRT | 7 | 9 |
| Operation type | ||
| Low anterior resections | 22 | 20 |
| Abdominoperineal resections | 3 | 5 |
| Mean blood loss (ml) | 165.14 ± 11.25 | 406.04 ± 111.32 |
| Mean operative time (min) | 310.32 ± 47.62 | 246.32 ± 17.45 |
| Margins | ||
| Proximal/distal | Negative | Negative |
| Circumferential/radial | Negative | Negative |
| Mean total lymph nodes | 16.88 ± 2.18 | 15.20 ± 1.65 |
| Mean hospital stay (days) | 7.52 ± 1.38 | 13.24 ± 2.43 |
| Intraoperative complications | 1 | 0 |
| Postoperative complications | ||
| Minor | 0 | 4 |
| Major | 0 | 1 |