Review of 500 single incision laparoscopic colorectal surgery cases - Lessons learned

Table 4 Single incision laparoscopic surgery for obese vs non-obese patients n (%)

Parameter	Non-obese (n = 80)	Obese (n = 80)	P value
Age (yr), mean ± SD	57.2 ± 12.8	57.0 ± 12.7	0.926
Gender			1.000
Male	41 (51.2)	41 (51.2)
Female	39 (48.8)	39 (48.8)
Body mass index (kg/m2)	22.8 (2.3)	33.4 (3.2)	< 0.001
ASA score, median (range)	II (I-III)	III (I-IV)	0.035*
Diagnosis			1.000
Diverticulitis	29 (36.3)	29 (36.3)
Colon cancer	23 (28.7)	23 (28.7)
Polyp	17 (21.3)	17 (21.3)
Inflammatory bowel disease	7 (8.7)	7 (8.7)
Constipation	4 (5.0)	4 (5.0)
Procedure			1.000
Anterior rectosigmoidectomy	39 (48.8)	39 (48.8)
Right hemicolectomy	29 (36.3)	29 (36.3)
Total abdominal colectomy	7 (8.8)	7 (8.8)
Left colectomy	3 (3.8)	3 (3.8)
Transverse colectomy	2 (2.5)	2 (2.5)
Operative time (min), mean ± SD	144.4 ± 47.2	176.9 ± 64.0	< 0.001
Blood loss (mL), mean ± SD	51.6 ± 38.0	89.0 ± 139.5	< 0.001
Intraoperative complications	2 (2.5)	1 (1.3)	0.987
Intraoperative conversion	2 (2.5)	4 (5.0)	0.682
Final incision length (cm), mean ± SD	3.5 ± 1.1	4.0 ± 1.5	0.080
Length of stay (d), mean ± SD	3.7 ± 2.1	4.1 ± 2.2	0.332
Postoperative complications	6 (7.5)	10 (12.5)	0.430
Reoperation	2 (2.5)	1 (1.3)	0.987
Readmissions	3 (3.8)	3 (3.8)	1.000