Table 1 Clinicopathological characteristics
Item | Value |
|---|---|
Age (year)†| 66 (34–81) |
Gender, n (%) | |
 Male | 50 (78.1) |
 Female | 14 (21.9) |
Body mass index (kg/m2) †| 22.8 (18.6–31.4) |
Smoking, n (%) | 22 (34.3) |
Hypertension, n (%) | 25 (39.1) |
Diabetes, n (%) | 11 (17.2) |
ASA ≥ 3, n (%) | 3 (4.7) |
Tumor size (mm) †| 34.5 (0–80) |
Distance from anal verge to tumor (mm) †| 50 (25–80) |
cT3, n (%) | 39 (60.9) |
cN positive, n (%) | 23 (35.9) |
Preoperative treatment, n (%) | 36 (56.3) |
Approach, n (%) | |
 Robotic | 35 (54.7) |
 Transanal | 15 (23.4) |
 Laparoscopic | 14 (21.9) |
Type of anastomosis, n (%) | |
 Double staple technique | 32 (50.0) |
 Hand sewn | 32 (50.0) |
Anastomotic height from anal verge (mm)†| 40 (20–60) |
Diverting stoma, n (%) | 61 (95.3) |
Lateral lymph node dissection, n (%) | 38 (59.4) |
Operation time (min)†| 395 (170–639) |
Blood loss (ml)†| 50 (0–3137) |
Complications (Clavien-Dindo), n (%) | |
 I–II | 39 (56.2) |
 III | 5 (7.8) |
 IV | 1 (1.6) |
 V | 0 (0) |
Anastomotic leakage, n (%) | 5 (7.8) |
 Grade B | 4 (6.2) |
 Grade C | 1 (1.6) |
Pathological TNM stage, n (%) | |
 0 | 11 (17.2) |
 I | 28 (43.8) |
 II | 12 (18.8) |
 III | 11 (17.2) |
 IV | 2 (3.1) |
Radial margin ≤ 1 mm, n (%) | 3 (4.7) |