Both groups had significant improvements in body composition and metabolic parameters but G1 had enhanced results for weight loss ( G1 : -8.2 3.0 kg ; G2 : -6.5 3.4 kg ; p = 0.028 ) , waist circumference reduction ( G1 : -7 0.6 cm ; G2 : -5 0.3 cm ; p = 0.033 ) , and fat mass loss ( G1 : -6.8 2.1 kg , G2 : -4.5 2.9 kg , p = 0.031 ; mean SD ) .