. 2012 Aug 12;29(11):1175–1183. doi: 10.1007/s10815-012-9843-6

Table 3.

Comparison of follicular and serum concentrations of free radicals and antioxidant enzyme activity between the two groups

Free radicals and antioxidant enzymes variables	GnRH agonist group	GnRH antagonist group	P
Free radicals and antioxidant enzymes variables	(n = 39)	(n = 45)	P
Serum concentrations
Antioxidant enzymes activities
SOD (U/ml)	6.62 ± 2.21	8.24 ± 2.05	0.001*
GSH-Px (U/l)	157.51 ± 40.06	140.17 ± 38.88	0.048*
ADA (U/l)	121.87 ± 40.39	123.42 ± 34.94	NS^a
XO (U/ml)	0.15 ± 0.077	0.12 ± 0.059	NS^a
GSH (micromole/l)	18.63 ± 14.70	11.66 ± 6.09	0.001*
Free radicals concentrations
MDA (micromole/l)	0.90 ± 0.42	0.68 ± 0.41	0.003*
NO (micromole/l)	19.07 ± 9.81	19.33 ± 6.95	NS^a
PC (micromole/dl)	23.10 ± 9.76	24.87 ± 10.41	NS^a
OH-proline (mg/l)	34.89 ± 2.78	34.04 ± 3.15	NS^a
Follicular concentrations
Antioxidant enzymes activities
SOD (U/l)	11.75 ± 1.76	13.78 ± 2.16	<0.001*
GSH-Px (U/g protein)	84.58 ± 36.30	92.97 ± 44.81	NS^a
ADA (U/l)	61.41 ± 37.23	84.04 ± 41.01	0.021*
XO (U/ml)	0.079 ± 0.043	0.084 ± 0.084	NS^a
GSH (micromole/l)	15.21 ± 7.06	13.94 ± 9.05	NS^a
Free radicals concentrations
MDA (micromole/l)	0.48 ± 0.31	0.60 ± 0.46	NS^a
NO (micromole/l)	18.77 ± 13.42	42.50 ± 34.80	<0.001*
PC (micromole/dl)	8.79 ± 5.37	10.98 ± 6.35	NS^a
OH-proline (mg/l)	33.69 ± 8.34	29.83 ± 9.83	<0.001*

Values are mean ± standard deviation unless otherwise stated

*Statistically significant (p value <0.05)

^aNot significant