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. 2020 Sep 15;10:15127. doi: 10.1038/s41598-020-72141-0

Table 3.

Clinical findings 1 and 2 years after Roux-en-Y gastric bypass in subjects with normal glucose, prediabetes and type 2 diabetes at baseline. Data are presented as mean ± SEM.

Pre-operation 1 year post RYGB 2 years post RYGB P-value
Weight (kg)
NG 113.6 ± 3.0 74.6 ± 2.3 76.8 ± 2.6 < 0.001
PreDM 123.0 ± 4.1 82.7 ± 2.6 80.2 ± 2.7 < 0.001
T2DM 118.0 ± 3.8 82.2 ± 2.4 83.6 ± 3.0 < 0.001
Waist (cm)
NG 118.9 ± 2.4 82.6 ± 18 NA < 0.001
PreDM 129.0 ± 2.7 92.1 ± 2.1 NA < 0.001
T2DM 128.7 ± 1.9 94.0 ± 2.1 NA < 0.001
BMI (kg/m2)
NG 41.4 ± 0.9 26.5 ± 0.8 27.4 ± 0.9 < 0.001
PreDM 43.0 ± 1.2 28.7 ± 0.7 28.1 ± 0.7 < 0.001
T2DM 41.2 ± 0.8 28.8 ± 0.7 29.2 ± 0.9 < 0.001
fP-Glucose (mmol/L)
NG 5.2 ± 0.04 4.8 ± 0.1 4.7 ± 0.1 < 0.001
PreDM 5.8 ± 0.1 5.0 ± 0.1 5.0 ± 0.1 < 0.001
T2DM 8.6 ± 0.4 5.5 ± 0.2 5.4 ± 0.2 < 0.001
HbA1C (mmol/mol)
NG 35 ± 0.4 34.4 ± 0.7 35.3 ± 0.8 0.701
PreDM 40 ± 0.6 36 ± 0.5 37 ± 0.5 < 0.001
T2DM 57 ± 3.2 39 ± 0.9 40 ± 1.0 < 0.001
Fasting P-Insulin (mU/L)
NG (n = 15) 9.2 ± 1.5 4.0 ± 0.4 NA < 0.001
PreDM (n = 27) 12.0 ± 1.2 5.2 ± 0.7 NA < 0.001
T2DM (n = 20) 13.7 ± 1.3 5.3 ± 0.7 NA < 0.001
HOMA-IR
NG (n = 14) 2.2 ± 0.4 0.9 ± 0.09 NA < 0.001
PreDM (n = 27) 3.2 ± 0.3 1.1 ± 0.2 NA < 0.001
T2DM (n = 20) 5.3 ± 0.5 1.3 ± 0.2 NA < 0.001
Triglycerides (mmol/L)
NG 1.5 ± 0.3 0.9 ± 0.1 0.9 ± 0.1 < 0.001
PreDM 1.6 ± 0.1 1.0 ± 0.1 0.9 ± 0.1 < 0.001
T2DM 1.9 ± 0.1 1.2 ± 0.1 1.3 ± 0.1 < 0.001
LDL cholesterol (mmol/L)
NG 3.2 ± 0.1 2.3 ± 0.1 2.5 ± 0.2 < 0.001
PreDM 3.3 ± 0.2 2.4 ± 0.1 2.6 ± 0.1 < 0.001
T2DM 2.9 ± 0.2 2.5 ± 0.1 2.8 ± 0.1 0.089
HDL cholesterol (mmol/L)
NG 1.2 ± 0.1 1.6 ± 0.1 1.7 ± 0.1 < 0.001
PreDM 1.1 ± 0.1 1.6 ± 0.1 1.6 ± 0.1 < 0.001
T2DM 0.9 ± 0.1 1.4 ± 0.1 1.4 ± 0.1 < 0.001
Systolic BP (mmHg)
NG 138.5 ± 2.5 121.2 ± 2.1 118.6 ± 2.2 < 0.001
PreDM 141.8 ± 2.5 126.1 ± 2.2 128.2 ± 2.8 < 0.001
T2DM 150.9 ± 3.8 131.4 ± 3.0 135.5 ± 3.4 0.044
Diastolic BP (mmHg)
NG 83.3 ± 1.3 78.6 ± 1.1 79.7 ± 1.7 < 0.001
PreDM 83.3 ± 1.3 78.6 ± 1.1 79.7 ± 1.7 0.049
T2DM 85.9 ± 1.8 79.3 ± 1.4 81.3 ± 1.7 0.026

NG normal glucose levels, PreDM prediabetes, T2DM type 2 diabetes, RYGB Roux-en-Y gastric bypass, NA not available, HOMA-IR homeostatic model assessment of insulin resistance, BP blood pressure.