Table 6.

Analysis of correlations between oxidative stress (OS), erectile function, size of the affected testis, and the investigated parameter.

	Parameter	Correlations Coefficient	p	n	Test	p	Eta-Coefficient ŋ2
Oxidative stress a	Age at control (years)	−0.315	0.033	46
	Height of patient (m)	0.337	0.025	44
	Sperm concentration (million/mL)	−0.573	<0.001	46
	Total sperm count (million)	−0.402	0.006	46
	Spermiogram category	0.337	0.022	46
	Medication history	0.32	0.039	42
Erectile function b	Weight of the patient (kg)	0.364	0.015	44
	BMI (kg/m2)	0.3	0.048	44
	Physical status	0.439	0.002	46
	Sports activities	0.301	0.042	46
Size of the affected testicle	Size of the normal testicle (mL)	0.755	<0.001	44
	Sperm concentration (million/mL)	0.391	0.009	44
	Total sperm count (million)	0.416	0.005	44
	Round cell count (million/mL)	0.391	0.009	44
	Children after torsion	0.566	0.035	14
	Medication history	−0.324	0.039	41
	Activity at the onset of symptoms	-	-	-	KW	0.047	0.267

BMI: body mass index; FSH: follicle-stimulating hormone; KW: Kruskal–Wallis. Only significant results are shown; the detailed statistical data can be obtained from the authors on request. ^a Oxidative stress analysis was feasible in 46 cases; ^b according to the IIEF-5 questionnaire.