Table 3. The association between GSH-Px, SOD and Prdx4 levels and oocyte quality.

Variable	GSH-Px	SOD	Prdx4
Number of oocytes retrieved	r =−0.209; P=0.118	r =0.034; P=0.802	r =0.015; P=0.911
Fertilization rate (%)	r =0.014; P=0.916	r =0.307; P=0.020*	r =0.334; P=0.011*
Cleavage rate (%)	r =0.193; P=0.150	r =0.154; P=0.253	r =0.141; P=0.294
Good quality embryo rate (%)	r =−0.042; P=0.754	r =0.306; P=0.021*	r =0.326; P=0.013*

Statistical analysis of the data was performed using the non-parametric Spearman test; *, statistically significant (P<0.05).