Table 1 Clinical characteristics of the patients at baseline and one year after RYGB.

BMI (kg/m²)

31.0 ± 3.4

24.0 ± 2.2**

NC (cm)

39.4 (38.4–40.5)

35.6 (34.4–36.8)**

WC (cm)

103.3 (99.6–107.0)

84.8 (82.4–87.3)**

HC (cm)

106.5 (103.4–109.7)

94.4 (92.5–96.3)**

WC/HC

0.97 ± 0.05

0.90 ± 0.05**

FPG (mmol/L)

9.33 (8.01–10.65)

5.91 (5.49–6.32)**

Fasting insulin (mU/L)

20.85 (13.79–27.91)

7.23 (4.44–10.03)**

HOMA-IR

9.03 (5.34–12.72)

1.94 (1.13–2.76)**

ESS

7.2 (5.8–8.7)

3.4 (2.4–4.4)**

Total cholesterol (mmol/L)

5.10 (4.81–5.40)

4.20 (3.93–4.47)**

Triglyceride (mmol/L)

2.79 (1.69–3.89)

1.02 (0.88–1.15)**

High-density lipoprotein (mmol/L)

0.97 (0.91–1.04)

1.21 (1.12–1.30)**

Low-density lipoprotein (mmol/L)

2.94 ± 0.89

2.50 ± 0.68**