Research Article

The Single Nucleotide Polymorphism PPARG2 Pro12Ala Affects Body Mass Index, Fat Mass, and Blood Pressure in Severely Obese Patients

Table 1

Demographic and clinical characteristics of studied participants according to the PPARG2 Pro12Ala (rs1801282) polymorphism.

VariablesTotalPro12Ala polymorphism valueAdjusted value
ProPro ()Ala carriers ()

Clinical, anthropometrical, and body composition variables
Age (years)39.82 ± 8.7040.00 ± 8.6438.63 ± 2.120.524
Female/male, (%)125 (85.6)/21 (14.4)108 (86.4)/19 (90.5)17 (13.6)/2 (9.5)1.0000.427a
BMI (kg/m2)46.09 ± 6.4245.62 ± 6.1249.26 ± 1.750.0200.026b
Fat mass (kg)161.43 ± 13.0260.52 ± 12.7367.67 ± 13.670.0290.046b
Fat-free mass (kg)157.22 ± 8.8657.00 ± 9.0658.77 ± 7.430.4310.227b
SBP (mmHg)128.66 ± 17.89124.35 ± 13.82133.92 ± 22.510.0110.022c
DBP (mmHg)85.92 ± 13.6881.63 ± 9.6587.60 ± 16.040.0240.050c
Diabetes, (%)40 (27.4)36 (28.4)4 (21.0)0.5930.400d
Hypertension, (%)96 (65.8)83 (65.4)13 (68.4)0.7930.760c
Dyslipidemia, (%)114 (78.1)102 (80.3)12 (63.2)0.0990.122c
Log MVPA (min/week)244.54 ± 61.4246.67 ± 63.73§31.17 ± 43.27§0.2600.204e
Sedentary time (min/day)21175.25 ± 83.061174.10 ± 83.451182.44 ± 80.560.6850.817e

Biochemical parameters
Fasting glucose (mg/dL)110.73 ± 45.38112.12 ± 47.92101.47 ± 20.150.3420.350d
Fasting glucose range, (%)0.5960.441d
 <100 mg/dL, (%)85 (58.2)75 (88.2)10 (11.8)
 ≥100 mg/dL, (%)29 (19.9)52 (85.2)9 (14.8)
Fasting insulin (μU/mL)23.43 ± 14.8823.04 ± 14.5126.03 ± 17.340.4150.413d
HOMA-IR6.44 ± 4.916.42 ± 4.866.56 ± 4.720.9150.829d
GHb (%)6.29 ± 1.456.30 ± 1.476.23 ± 1.320.8430.875d
Total cholesterol (mg/dL)188.68 ± 36.57190.42 ± 36.86177.05 ± 33.120.1380.232c
HDL cholesterol (mg/dL)47.47 ± 11.1147.69 ± 11.4945.95 ± 8.200.5250.501c
LDL cholesterol (mg/dL)119.20 ± 34.01110.08 ± 34.68103.42 ± 29.420.4290.497c
Triglyceride (mg/dL)160.16 ± 78.60163.42 ± 80.67138.37 ± 60.340.1960.331c

Dietary intake
Energy (kcal)1709.50 ± 704.501682.55 ± 695.051889.62 ± 759.680.2330.139e
Proteins (%)17.42 ± 4.6017.58 ± 4.6116.34 ± 4.540.2740.239e
Carbohydrates (%)51.64 ± 8.5651.79 ± 8.7250.64 ± 7.490.5890.593e
Lipids (%)27.97 ± 6.5927.74 ± 6.7029.51 ± 5.700.2780.245e
 Saturated (%)8.38 ± 2.658.30 ± 2.708.98 ± 2.260.2940.372e
 Polyunsaturated (%)4.29 ± 1.664.25 ± 1.574.52 ± 2.240.5150.452e
 Monounsaturated (%)7.62 ± 2.607.54 ± 2.638.16 ±2.400.3630.509e
P : S ratio0.56 ± 0.280.56 ± 0.270.55 ± 0.360.4380.475e
Cholesterol (g)222.50 ± 120.74217.38 ± 114.16256.66 ± 157.450.1870.206e
Fiber (g)15.28 ± 8.0415.03 ± 8.2116.52 ± 9.720.4720.452e

Data are presented as mean ± SD or (%). BMI: body mass index; HOMA-IR: homeostatic model assessment for insulin resistance; GHb: glycated hemoglobin; HDL: high-density lipoprotein; LDL: low-density lipoprotein; SBP: systolic blood pressure; DBP: diastolic blood pressure; MVPA: moderate-to-vigorous physical activity; P : S ratio: polyunsaturated : saturated fatty acids ratio. Student’s t-test; chi-squared test; Fisher’s exact test. 1; 2. aAdjusted for age, BMI, sedentary time, and diabetes; badjusted for age, gender, sedentary time, and diabetes; cadjusted for age, gender, sedentary time, BMI, and diabetes; dadjusted for age, gender, sedentary time, and BMI; eadjusted for age, gender, BMI, and diabetes; §values were presented backtransformed.