Table 1

Variables at baseline and after 2 years and percent change in the medical treatment and surgical arms independent of the surgical technique used

Baseline2 yearsPercent change
Medical treatmentSurgeryMedical treatmentSurgeryMedical treatmentSurgery
nMean ± SDnMean ± SDP valuenMean ± SDnMean ± SDP valuenMean ± SDnMean ± SDP value
Age (years)31249.7 ± 6.941048.0 ± 6.4<0.001
Weight (kg)312116.6 ± 17.8415122.9 ± 20.1<0.001251113.7 ± 18.437394.3 ± 17.6<0.001251−2.5 ± 6.5373−22.4 ± 10.8<0.001
Waist circumference (cm)312122.3 ± 11.2413127.8 ± 13.0<0.001251119.8 ± 10.9371106.7 ± 14.3<0.001251−1.3 ± 11.9369−16.0 ± 9.1<0.001
BMI (kg/m2)31240.1 ± 4.941542.0 ± 5.0<0.00125139.0 ± 4.937332.4 ± 5.0<0.001251−2.5 ± 6.5373−22.4 ± 10.8<0.001
Glycemia (mmol/L)3128.8 ± 2.84148.7 ± 2.7NS2508.2 ± 2.93725.2 ± 2.0<0.001250−1.2 ± 33.9371−36.4 ± 23.1<0.001
Insulinemia (mU/L)31125.1 ± 17.341027.4 ± 18.3NS25021.9 ± 14.837212.4 ± 7.7<0.0012491.3 ± 51.6368−47.4 ± 31.0<0.001
HbA1c (%)508.0 ± 1.4708.3 ± 1.5NS447.2 ± 1.0675.8 ± 1.0<0.00144−6.0 ± 14.367−29.3 ± 16.8<0.001
HOMA-IR3119.7 ± 7.540910.6 ± 7.6NS2508.0 ± 5.83723.1 ± 3.1<0.001249−0.1 ± 56.6367−64.9 ± 29.5<0.001
SBP (mmHg)282144.4 ± 20.4384150.6 ± 20.0<0.001225142.0 ± 17.6341139.7 ± 21.6NS225−1.6 ± 12.0340−6.8 ± 13.7<0.001
DBP (mmHg)28287.8 ± 12.038492.0 ± 11.5<0.00122585.3 ± 9.634184.7 ± 11.0NS225−2.1 ± 11.7340−7.3 ± 11.9<0.001
HDL cholesterol (mmol/L)2931.2 ± 0.33901.2 ± 0.3NS2391.3 ± 0.33641.5 ± 0.4<0.0012304.5 ± 15.434425.6 ± 81.0<0.001
Total cholesterol (mmol/L)3125.7 ± 1.24145.8 ± 1.2NS2505.4 ± 1.23725.4 ± 1.3NS250−1.7 ± 15.4371−5.0 ± 20.40.030
Triglycerides (mmol/L)3122.9 ± 2.94142.8 ± 2.1NS2492.4 ± 1.53721.7 ± 1.0<0.0012490.6 ± 44.2371−29.7 ± 32.7<0.001
LDL cholesterol (mmol/L)2933.2 ± 1.23903.3 ± 1.0NS2393.1 ± 0.93643.2 ± 1.1NS230−2.3 ± 23.7344−1.5 ± 36.9NS
Diabetes duration (years)2823.7 ± 4.63843.3 ± 4.9NS
  • P values from t test.