Visceral fat changes after distal gastrectomy according to type of reconstruction procedure for gastric cancer

Table 1 Comparison of clinical background data of patients who underwent distal gastrectomy-Billroth I and distal gastrectomy-Roux-en-Y

	DGBI n= 104	DGRY n= 48	P
Age (years)	64 (38 to 85)	62.5 (37 to 80)	0.2574^c
Sex (M/F)	69/35	37/11	0.1804^a
BMI (kg/m²) before surgery	22.8 (16.0 to 30.5)	22.4 (17.1 to 31.0)	0.7243^c
VFA before surgery (cm²)	75.2 (15.9 to 265.4)	80.6 (14.6 to 236.7)	0.9148^c
SFA before surgery (cm²)	122.5 (35.5 to 267.3)	113.8 (14.9 to 231.5)	0.4142^c
Albumin level before surgery (mg/dl)	4.3 (2.5 to 4.8)	4.1 (2.8 to 4.7)	0.0128^c
Approach (laparoscopy/laparotomy)	15/89	0/48	0.0030^b
Lymph node dissection (<D2/≥D2)	59/45	20/28	0.0840^a
Omentectomy (yes/no)	13/91	15/33	0.0056^a
Pathological T (1/2/3/4)	74/28/2/0	32/12/4/0	0.4420^d
Pathological N (0/1/2/3)	78/20/6/0	34/10/3/1	0.5484^d
Pathological stage (1/2/3/4)	86/11/7/0	37/5/5/1	0.3587^d
Adjuvant chemotherapy (yes/no)	10/94	5/43	1.0000^b
Recurrence (yes/no)	4/100	3/45	0.5110^b

^aχ² test; ^bFisher’s exact test; ^cWilcoxon rank sum test; ^dMann-Whitney U test. BMI body mass index, DGBI distal gastrectomy with Billroth I, DGRY distal gastrectomy with Roux-en-Y, SFA subcutaneous fat area, VFA visceral fat area.

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