Table I.
Characteristics of study groups
| Parameter | All patients (N = 66) | Group 1(n = 40) | Group 2(n = 26) | P-value |
|---|---|---|---|---|
| Male | 44 (66.7%) | 31 (78%) | 13 (50%) | 0.29 |
| Age, median (IQR) [years] | 64 (56–71) | 62.5 (54.5–72.5) | 65 (57–71) | 0.78 |
| BMI, median (IQR) [kg/m2] | 25.62 (23.15–29.35) | 25.5 (23.7–29.0) | 25.9 (21.9–29.7) | 0.65 |
| Depth from anal verge, Median (IQR) [cm] | 3 (2–4) | 3 (2–4) | 4 (2–5) | 0.08 |
| Preoperative radiotherapy | 54 (81.82%) | 35 (88%) | 19 (73%) | 0.63 |
| History of previous surgery | 15 (22%) | 9 (23%) | 7 (27%) | 0.74 |
| Operative time, median (IQR) [min] | 240 (210–280) | 270 (240–300) | 210 (170–240) | 0.0002 |
| Blood loss, median (IQR) [ml] | 100 (50–200) | 150 (50–200) | 50 (50–150) | 0.006 |
| Diverting ileostomy | 57 (86%) | 15 (100%) | 15 (100%) | 0.001 |
| Intraoperative adverse events | 6 (9.09%) | 5 (20%) | 1 (13%) | 0.03 |
| Postoperative morbidity | 15 (22.73%) | 13 (33%) | 2 (8%) | 0.001 |
| Clavien-Dindo III-V | 7 (10.6%) | 6 (15%) | 1 (4%) | 0.30 |
| LOS, median (IQR) [days] | 5 (4–7) | 6 (4–8) | 5 (4–6) | 0.375 |
| Readmissions | 8 (12.12%) | 7 (18%) | 1 (4%) | 0.04 |