Table 2.
Semen Quality, Distribution of CASA Parameters, and DNA Fragmentation Index of the Study Population.
| Semen quality | Statistical variables |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| 25% | 50% | 75% | 95% | Max | Mean ± SD | Geometric mean ± SD | N | Frequency of detection | |
| Main semen parameters | |||||||||
| Concentration (mln/ml) | 22.5 | 32.6 | 85.77 | 125 | 360.0 | 50.6 ± 52.4 | – | 334 | – |
| Motility (%) | 46 | 55.0 | 66 | 83 | 99.0 | 55.7 ± 19.9 | – | 315 | – |
| Sperm with normal morphology (%) | 31.22 | 50.0 | 69.51 | 75.25 | 96.0 | 53.7 ± 23.9 | – | 315 | – |
| CASA parameters | |||||||||
| VSL (µm/s) | 37 | 43.1 | 50.7 | 61.41 | 77.1 | 43.6 ± 10.3 | – | 315 | – |
| VCL (µm/s) | 37.5 | 79 | 92.0 | 108 | 146 | 78.1 ± 16.8 | – | 324 | – |
| LIN (%) | 51 | 56 | 61 | 66.1 | 74 | 56 ± 6.4 | – | 315 | – |
| DNA fragmentation index | |||||||||
| DFI | 8.34 | 14.0 | 20.43 | 41.18 | 68.7 | 16.5 ± 11.4 | – | 262 | – |
| HDS | 5.22 | 7.16 | 9.31 | 13.46 | 30.70 | 7.7 ± 3.9 | – | 262 | – |
Note. CASA = computer-aided semen analysis; FSH = follicle-stimulating hormone; HDS = high DNA stainability; LIN = linearity; VCL = curvilinear velocity; VSL = straight-line velocity.