Outcome after gastrectomy in gastric cancer patients with type 2 diabetes

Table 1 Clinical findings [n = 403, n (%) or mean ± SD]

Gender	Female	96 (23.8)
	Male	307 (76.2)
Age at OP (yr)		63.8 ± 7.6
OP type	B-I	165 (40.9)
	B-II	134 (33.3)
	R-Y	104 (25.8)
Extent of gastrectomy	Subtotal (B-I, B-II)	299 (74.2)
	Total (R-Y)	104 (25.8)
Duodenal bypass	Bypass – (B-I)	165 (40.9)
	Bypass + (B-II, R-Y)	238 (59.1)
Pre-OP BMI (kg/m2)		24.7 ± 3.0 (18.4-39.9)
Current BMI (kg/m2)		22.2 ± 2.9 (13.5-35.3)
BMI reduction ratio1 (%)		9.8 ± 8.6
Pre-OP	Oral diabetic agent	368 (91.3)
diabetic therapy	Insulin	35 (8.7)
F/U duration (mo)		33.7 ± 20.6 (5.5-81.8)
Diabetes course	Worse	38 (9.9)
	Same	172 (44.7)
	Improvement	117 (30.4)
	Resolution	58 (15.1)

¹BMI reduction ratio (%) = -[(Current BMI - Pre-OP BMI)/Pre-OP BMI] × 100. OP: Operation; BMI: Body mass index; F/U: Follow up; B-I : Billroth I; B-II: Billroth II; R-Y: Roux-en-Y.