Table 1.

Distribution of PIWI-LIKE gene transcripts in spermatozoa from the swim-up and the cell pellet fraction.

		Median Expression (ΔCq)	p (MWU)	n
PIWI-LIKE 1	swim-up fraction	0.00113	<0.001	160
	cell pellet	0.00399
PIWI-LIKE 2	swim-up fraction	0.00001	n.s.	160
	cell pellet	0.000012
PIWI-LIKE 3	swim-up fraction	0.00	<0.001	160
	cell pellet	0.00
PIWI-LIKE 4	swim-up fraction	0.00	n.s.	160
	cell pellet	0.00

Abbreviation: MWU–Mann–Whitney U-test.