Feasibility of laparoscopic total gastrectomy in overweight patients: Implications of less impact of overweight on laparoscopic versus open approach

Table 1 Baseline characteristics of enrolled patients

		All patients			Matched patients
		LTG (n = 110)	OTG (n = 211)	P -values	LTG (n = 76)	OTG (n = 76)	P-values
Gender	Male	81	162	0.53	55	62	0.18
	Female	29	78		21	14
Age (median, range)		70 (32-83)	69 (17-86)	0.92	70 (32-83)	71 (17-86)	0.53
BMI (kg/m2) (median, range)		23.2 (15.8-31.0)	22.2 (13.6-38.3)	0.07	21.9 (15.8-30.4)	27.4 (13.6-35.4)	0.35
period	Early	39	148	< 0.01	39	28	0.07
	Late	71	63		37	48
Extent of lymph node dissection	D2 <	91	120	< 0.01	57	53	0.47
	D2	22	142		19	23
Splenectomy	Yes	14	99	< 0.01	14	19	0.33
	No	96	112		62	57
Tumor size (mm) (median, range)		45 (6-200)	70 (13-230)	< 0.01	52 (6-200)	59 (14-213)	0.14
pT	M	21	7	< 0.01	9	6	0.49
	SM	34	23		21	17
	MP	19	15		11	8
	SS	20	71		19	20
	SE	16	89		16	22
	SI	0	5		0	2
pN	N0	65	63	< 0.01	38	36	0.38
	N1	19	30		13	7
	N2	13	40		12	12
	N3a	9	48		9	12
	N3b	4	30		4	9
pStage	I	66	37	< 0.01	35	32	0.20
	II	20	51		17	9
	III	19	93		19	27
	IV	5	30		5	8

OTG: Open total gastrectomy; LTG: Laparoscopic total gastrectomy; BMI: Body mass index.