Table 2. Values (mean ± standard deviation) of progressive, non-progressive motility, immobile forms, vitality, and sperm DNA fragmentation index (DFI) pre-freezing and post-thawing.
Semen parameters Before freezing After thawing p
Mean ± SD Median (Min, Max) Mean ± SD Median (Min, Max)
Progressive motile (%) 40.4±10.1 39.8 (12.5, 55) 12.7±9.6 10.7 (2.7, 35) <0.001
Non-progressive (%) 23.8±4.2 23.5 (16.5, 34) 13.0±4.4 12 (7, 23.5) <0.001
Total motility (%) 64.2±8.8 64.3 (40.5, 80.5) 25.7±13.1 21.7 (9.7, 49.7) <0.001
Immotile (%) 35.8±8.8 35.8 (19.5, 59.5) 74.4±13.1 78.3 (50.3, 90.3) <0.001
Vitality (%) 72.9±8.2 73.3 (54, 85) 39.5±9.7 38.8 (22.3, 53.7) <0.001
DFI (%) 26.1±9.6 27.8 (10.6, 40.4) 27.1±14.2 22 (10.6, 53) NS