| 
      
        |  | Before | After |  |  
        | BMI(kg/m2) | 30.5 ± 5.0 | 30.8 ± 4.6 |  |  
        | waist (cm) | 97 ± 7 | 95 ± 6 |  |  
        | FPG(mg/dl) | 112 ± 6 | 109 ± 9 |  |  
        | F-IRI(μIU/ml) | 25.1 ± 8.5 | 12.9 ± 3.6 | P<0.01 |  
        | HbA1c(%)(NGSP) | 5.8 ± 0.3 | 5.7 ± 0.4 |  |  
        | HOMA-R | 7.0 ± 2.7 | 3.3 ± 1.1 | P<0.01 |  
        | TCHO(mg/dl) | 227 ± 31 | 199 ± 29 | P<0.05 |  
        | TG(mg/dl) | 185 ± 64 | 188 ± 47 |  |  
        | HDL-C(mg/dl) | 43 ± 9 | 47 ± 12 |  |  
        | LDL-C(mg/dl) | 149 ± 37 | 120 ± 31 | P<0.05 |  
        | Free-Testosterone(pg/ml) | 5.9 ± 1.0 | 8.5 ± 0.6 | P<0.05 |  
        | LH (IU/ml) | 1.7 ± 0.6 | 1.8 ± 0.6 |  |  
        | FSH (IU/ml) | 3.7 ± 0.7 | 3.7 ± 0.6 |  |  |