The Effect of Oral Vitamin E on Semen Parameters and IVF Outcome: A Double-Blinded Randomized Placebo-Controlled Clinical Trial

Table 3

Semen parameters in placebo and vitamin E group before and after trial (paired -test).

Groups		Paired differences
			95% confidence interval of the difference		value
			Lower	Upper
Vitamin E
Volume 1 (ml)			-0.47	0.44	0.96
Volume 2 (ml)
Count 1 (×10^6/ml)			-0.14	4.35	0.06
Count 2
Motility 1 (% WHO grade )			-4.68	3.25	0.72
Motility 2 (% WHO grade )
Morphology 1 (% normal)			-0.05	0.78	0.08
Morphology2 (% normal)
Placebo group
Volume 1) ml)			-0.24	0.64	0.37
Volume 2) ml)
Count 1 (×10^6/ml)			-1.65	1.67	0.98
Count 2 (×10^6/ml)
Motility 1 (% WHO grade )			-2.92	3.77	0.80
Motility 2 (% WHO grade )
Morphology 1 (% normal)			-0.01	0.83	0.05
Morphology 2 (% normal)

1: before treatment and 2: after treatment.