Laparoscopic D3 lymph node dissection with left colic artery and first sigmoid artery preservation in rectal cancer

Table 2 Surgical and pathological outcomes of these patients

Total	Group 1	Group 2	P value
Total	56	56	P value
Operative time(min)	171.7±24.7	175.5±23.7	0.408
Length of hospital stay(day)	12.0±4.9	11.2±2.8	0.305
Estimated blood loss(mL)	24.6±11.1	26.6±13.5	0.403
Length of distal margin(cm)	2.5±0.6	2.3±0.5	0.093
Lymph node retrieval	17.6±7.2	17.0±6.4	0.668
Apical lymph node retrieval	1.1±1.3	1.1±1.2	0.941
Complications
I-II	44	48	0.324
III-V	12	8	0.324
Anastomotic leakage(grades B and C)
No	51	56	0.040
Yes	4	0	0.040

Classification of surgical complications using Clavien-Dindo classification. Classification of anastomotic leakage according to the International Study Group of Rectal Cancer

ISSN: 1477-7819