Table 1.

Comparison of glucose metabolism index before and after the surgery.

	n	BMI	FBG	2hPBG	HbA1c
0 mo	50	25.23 ± 1.21	10.3 ± 1.1	14.1 ± 2.8	9.8 ± 1.1
1 wk	50	24.82 ± 1.16	9.2 ± 1.3	13.2 ± 2.5	9.7 ± 1.2
1 mo	50	24.35 ± 1.27	6.5 ± 1.5#	8.1 ± 1.9#	9.0 ± 1.1
3 mo	50	24.03 ± 1.15	5.5 ± 1.4#	6.2 ± 1.5#	6.7 ± 1.3∗
6 mo	50	23.87 ± 1.22	5.0 ± 1.1#	6.5 ± 1.8#	5.1 ± 1.2#

Data are shown as mean ± SD, BMI (kg/m²), FBG, and 2hPBG (mmol/L), HbA1c (%).

Compared with the before surgery (0 months) group ^∗ P < 0.05, ^# P < 0.01.