Laparoscopic vs open extended right hemicolectomy for colon cancer

Table 1 Clinicopathologic characteristics n (%)

	LERH (n = 119)	OERH (n = 101)	P value
Age1 (yr)	61.3 ± 25.3	64.5 ± 24.6	0.832
Sex			0.893
Male	66 (55.5)	57 (56.4)
Female	53 (44.5)	44 (43.6)
Body mass index1 (kg/m2)	22.3 ± 3.3	22.6 ± 3.5	0.126
Previous abdominal surgery	12 (10.1)	14 (13.9)	0.387
Tumor location			0.105
Hepatic flexure	89 (74.8)	65 (64.4)
Proximal of transverse colon	30 (25.2)	36 (35.6)
Tumor size1 (cm)	4.8 ± 1.9	4.7 ± 1.7	0.849
T stage			0.483
T2	6 (5.0)	7 (6.9)
T3	64 (53.8)	60 (59.4)
T4	49 (41.2)	34 (33.7)
N stage			0.870
N0	69 (58.0)	61 (60.4)
N1	37 (31.1)	31 (30.7)
N2	13 (10.9)	9 (8.9)
Tumor stage			0.815
I	6 (5.0)	7 (6.9)
II	63 (52.9)	54 (53.5)
III	50 (42.0)	40 (39.6)

¹Values are mean ± SD. LERH: Laparoscopic extended right hemicolectomy; OERH: Open extended right hemicolectomy.

Table 2 Operative outcomes n (%)

	LERH (n = 119)	OERH (n = 101)	P value
Operating time1 (min)	257.8 ± 67.6	173.1 ± 52.0	< 0.0001
Estimated blood loss2 (mL)	100 (100-200)	150 (100-200)	< 0.0001
Proximal resection margin1 (cm)	17.1 ± 3.3	17.2 ± 3.2	0.743
Distal resection margin1 (cm)	13.9 ± 2.6	14.3 ± 3.6	0.133
No. of lymph nodes harvested1 (n)	22.3 ± 8.6	21.8 ± 9.4	0.343
Conversions	9 (7.6)
R0 resection	117 (98.3)	100 (99.0)	1.000

¹Values are mean ± SD;

²value is median (range). LERH: Laparoscopic extended right hemicolectomy; OERH: Open extended right hemicolectomy.

Table 3 Postoperative recovery and complications n (%)

	LERH (n = 119)	OERH (n = 101)	P value
Time to first flatus1 (d)	2.7 ± 1.0	3.2 ± 0.9	< 0.0001
Time to liquid diet1 (d)	3.6 ± 1.0	4.2 ± 1.0	< 0.0001
Hospital stay1 (d)	11.4 ± 4.7	12.8 ± 5.6	0.009
Complications	14 (11.8)	18 (17.6)	0.215
Wound infection	4 (3.4)	8 (7.8)
Ileus	4 (3.4)	4 (3.9)
Anastomotic leak	2 (1.7)	4 (3.9)
Anastomotic stenosis	1 (0.8)	1 (1.0)
Introabdominal hemorrhage	1 (0.8)	1 (1.0)
Abdominal infection	1 (0.8)	0 (0.0)
Pulmonary embolism	1 (0.8)	0 (0.0)
Mortality	1 (0.8)	1 (1.0)	0.907

¹Values are mean ± SD. LERH: Laparoscopic extended right hemicolectomy; OERH: Open extended right hemicolectomy.