Table 6.

Straightness (STR) of human spermatozoa (n = 51) exposed to NTP of varying time intervals.

STR [%]	0 s	15 s	30 s	60 s	90 s
0 h	83.00 ± 1.94	82.44 ± 1.52	81.56 ± 1.59	79.00 ± 2.25	75.89 ± 3.01 *
2 h	80.44 ± 2.68	78.58 ± 1.89	77.51 ± 2.05	76.32 ± 3.08	64.56 ± 6.83 *

Mean ± SEM. * p < 0.05. Lines: times of NTP exposition. Columns: evaluation times.