Table 3
Serum concentrations of TAC and activity of antioxidant enzymes (SOD, GR, and GSH-PX) in type 2 diabetic patients and healthy subjects
Variable	Type 2 diabetics	Controls
TAC (mg/dl)a	3.15 ± 1.07	3.22 ± 0.69
SOD (U/g Hb)a	1111.93 ± 354.99	1158.53 ± 381.21
GR (U/g Hb)b	7.17 ± 5.51	3.16 ± 2.95
GSH-PX (U/g Hb)b	62.33 ± 36.29	24.62 ± 11.20

a Mean ± SD.

b Median ± IQR.

* P <0.05.

Taheri et al. Journal of Diabetes & Metabolic Disorders 2012 11:3   doi:10.1186/2251-6581-11-3