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Table 2. Correlations (r) between sperm parameters and seminal TAS, TOS, OSI, and PON-1 activities in the overall group (n = 90)

Sperm Parameters	TOS, µmol H2O2 Eq/L	TAS, mmol Trolox Eq/L	OSI, AU	PON-1, U/L

Concentration, sperm x 10⁶ mL)	-.67^a	.73^a	-.79^a	.68^a
Motility, % motile sperm	-.58^a	.58^a	-.65^a	.58^a
Morphology (Kruger criteria), % normal sperm	-.57^a	.64^a	-.68^a	.62^a

Abbreviations: OSI, oxidative stress index; PON-1, paraoxonase-1; TAS, total antioxidant status; TOS, total oxidant status.
aP < .0001.