Table 1. Patients Characteristics According to the Treatment Groups.

	Metformin	Pioglitazone	P value
Age, ya, Mean ± SD	36.35 ± 8.96	34.20 ± 6.79	0.23
Gender, No.
Male	31	37	0.11
Female	9	3	0.50
Obese, No.	9	10	0.67
Diabetes mellitus, No.	4	2	0.15
Weight at baseline, Kga, Mean ± SD	80.32 ± 5.92	83.47 ± 12.28	0.06
Weight at 2 months, Kga, Mean ± SD	78.67 ± 6.73	83.08 ± 12.72	0.06
Weight at 4 months, Kga, Mean ± SD	77.59 ± 7.90	82.30 ± 13.05	0.53
Body mass index at baseline, Kg/m2a, Mean ± SD	27.93 ± 2.28	27.48 ± 3.91	0.97
Body mass index at 2 months, Kg/m2a, Mean ± SD	27.32 ± 1.98	27.34 ± 3.99	0.84
Body mass index at 4 months, Kg/m2a, Mean ± SD	26.92 ± 2.18	27.06 ± 3.92	0.23

^aThe values of age, weight, and body mass index are expressed as mean ± standard deviation