Table 2. DNA fragmentation and histone transition in raw sperm and selected sperm.

	All subjects n = 93		Controls n = 41		Patients n = 52
	Raw	Selected	Raw	Selected	Raw	Selected
Sperm motility	40±15	56±16*	52 ±11	66±10*	31 ±11	48±16*
DNA fragmentation	21.0 ± 14.1	15.0 ± 12.8*	16.0±12.7	10.6 ± 7.1*	24.9 ± 13.9	18.5 ±15.1*
Histone transition abnormality	17.3 ± 12.5	12.6 ± 12.1*	16.3 ±13.9	10.6 ± 9.8 #	18.0 ± 11.1	14.1 ± 13.4*

#: P<0.05

*: P<0.01 compared to the data of raw sperm.