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. 2022 Jun 28;28(24):2758–2774. doi: 10.3748/wjg.v28.i24.2758

Table 2.

Patients’ operative characteristics


Group 1, n = 277
Group 2, n = 94
Group 3, n = 25
P value
Type of surgery, n (%) 0.071
Elective 238 (86.0) 72 (76.6) 19 (75.0)
Urgent 39 (14.0) 22 (23.4) 6 (25.0)
Surgical approach, n (%) < 0.001
Open 25 (9.0) 15 (16.0) 2 (8.0)
Laparoscopic 238 (86.0) 72 (77.0) 15 (60.0)
Conversion 14 (5.0) 7 (7.4) 8 (32.0)
Procedure, n (%) 0.739
Right colectomy1 138 (49.8) 47 (50.0) 11 (44.0)
Left colectomy 17 (6.1) 7 (7.4) 1 (4.0)
Sigmoid/RS resection 55 (19.8) 15 (15.9) 4 (16.0)
Low anterior resection 48 (17.3) 16 (17.0) 8 (32.0)
Other 19 (6.8) 9 (9.6) 1 (4.0)
Level of anastomosis, n (%) 0.66
Ileocolic 150 (54.1) 50 (53.2) 11 (44.0)
Colocolic 23 (8.3) 5 (5.3) 1 (4.0)
≥ 6 cm from AV 67 (24.2) 25 (26.6) 10 (40.0)
< 6 cm from AV 37 (13.4) 14 (14.9) 3 (12.0)
Covering stoma, n (%) 23 (8.3) 8 (8.51) 2 (8.0) 0.99
Blood loss, mean ± SD, mL 51.6 ± 36.6 58.8 ± 47.7 104.0 ± 191.1 < 0.001
Intraoperative complications, n (%) 3 (1.1) 5 (5.3) 4 (16.0) < 0.001
Operative time in min, mean ± SD 141.9 (48.3) 146.2 (50.0) 172.8 (57.2) 0.011
1

Included ileocecal resection/extended right-sided colectomy.

Group 1: No complications; Group 2: Complications not related to colorectal anastomotic leakage (CAL); Group 3: CAL. RS: Rectosigmoid; AV: Anal verge.