Sperm DNA fragmentation and oxidation are independent of malondialdheyde

Table 2 Correlations between semen parameters, MDA levels, DNA fragmentation and DNA oxidation (n = 55)

	MDA	Sperm Concentration	Total motility	Type a motility	Type b motility	Vitality	Leucocytes concentration	Normal morphology	DNA fragmentation	DNA oxidation
MDA	-	p < 0.001 r = -0.57	p = 0.01 r = -0.35	p = 0.03 r = -0.32	p = 0.9 r = 0.01	p = 0.9 r = 0.01	p = 0.9 r = 0.09	p = 0.82 r = -0.03	p = 0.5 r = -0.1	p = 0.7 r = -0.06
Sperm Concentration		-	p = 0.01 r = 0.34	p < 0.001 r = 0.53	p = 0.1 r = -0.2	p = 0.9 r = -0.01	p = 0.53 r = 0.08	p = 0.08 r = 0.23	p = 0.05 r = 0.26	p = 0.1 r = 0.17
Total motility			-	p < 0.001 r = 0.82	p = 0.001 r = 0.44	p < 0.001 r = 0.58	p = 0.9 r = 0.01	p = 0.002 r = 0.40	p = 0.001 r = -0.43	p = 0.8 r = 0.02
Type a motility				-	p = 0.98 r = -0.00	p = 0.002 r = 0.4	p = 0.45 r = 0.10	p = 0.001 r = 0.42	p = 0.04 r = -0.27	p = 0.8 r = 0.01
Type b motility					-	p = 0.004 r = 0.38	p = 0.21 r = 0.12	p = 0.19 r = 0.17	p = 0.03 r = -0.28	p = 0.9 r = -0.01
Vitality						-	p = 0.83 r = 0.28	p = 0.43 r = 0.10	p < 0.001 r = -0.65	p = 0.6 r = -0.06
Leucocytes concentration							-	p = 0.6 r = -0.07	p = 0.32 r = -0.13	p = 0.01 r = 0.38
Normal morphology								-	p = 0.69 r = -0.05	p = 0.29 r = -0.14
DNA fragmentation									-	p = 0.01 r = 0.33
DNA oxidation										-

Significant correlations (p and r values): bold characters; MDA: Malondialdehyde.

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