Medium-term oncological outcomes of totally laparoscopic colectomy with intracorporeal anastomosis for right-sided and left-sided colon cancer: propensity score matching analysis

Table 2 Operative, pathological, and oncological results


	EA (n = 294)	IA (n = 94)	P value	EA (n = 83)	IA (n = 83)	P value
Operation time (min)	190 (79–528)	227 (115–530)	< 0.01*	200 (110–372)	227 (85–530)	< 0.01*
Blood loss (ml)	10 (10–50)	10 (10–220)	0.27	10 (10–440)	10 (10–100)	0.44
Number of harvested lymph nodes	18 (0–74)	18 (0–54)	0.53	18 (1–48)	19 (0–54)	0.93
Resection margin
Proximal (cm)	10 (3–40)	10 (2–35)	0.49	10 (4–30)	10 (2–35)	0.69
Distal (cm)	10 (0.5–35)	10 (0.5–30)	0.021*	9 (0.5–20)	10 (0.5–30)	0.015*
Skin incision (cm)	4.5 ± 1.7	4.0 ± 1.1	< 0.01*	4.6 ± 0.2	4.1 ± 0.2	< 0.01*
Time to first flatus (days)	2 (0–8)	1 (0–4)	0.079	2 (0–4)	1 (0–4)	0.38
Length of hospital stay (days)	11 (7–154)	12 (7–87)	0.35	11 (7–56)	12 (7–87)	0.025*
Complications
Superficial SSI	19 (10%)	13 (19%)	0.030*	3 (3.6%)	11 (13%)	0.047*
Organ space/deep SSI	11 (3.7%)	5 (5.3%)	0.50	4 (4.8%)	5 (6.0%)	0.73
Leakage	7 (2.4%)	6 (6.4%)	0.092	2 (2.4%)	5 (6.0%)	0.23
≥ Clavien-Dindo III	12 (4.1%)	9 (9.6%)	0.063	4 (4.8%)	9 (11%)	0.14
Recurrence
Liver/lung	19 (6.5%)	7 (7.5%)	0.74	2 (2.4%)	7 (8.4%)	0.087
Dissemination	9 (3.1%)	3 (3.2%)	0.95	2 (2.4%)	3 (3.6%)	0.65
Anastomosis site	2 (0.7%)	1 (1.1%)	0.71	0	0

PSM propensity score matching, EA extracorporeal anastomosis, IA intracorporeal anastomosis, SSI surgical site infection
Values are expressed as median (range) or average ± SD
^*Significant difference between groups; P < 0.05

ISSN: 1471-2482