| Table 2. Comparison of seminal parameters between < 20% and ≥ 20% sperm DNA fragmentation groups | ||||
| Parameter | <20% (n=313) | ≥20% (n=276) | ||
|---|---|---|---|---|
| DNA Fragmentation Index (%) | 14.8 | 33.3 | - | |
| Semen volume (mL) | 2.62 | 2.66 | 0.84 | |
| Sperm concentration (million/mL) | 39.1 | 35.3 | 0.14 | |
| Rapid progressive motility (%) | 40.4 | 29.9 | <0.01 | |
| Slow progressive motility (%) | 19.6 | 17.8 | 0.15 | |
| Non-progressive motility (%) | 7.2 | 7.0 | 0.70 | |
| Immotile sperm (%) | 38.2 | 48.6 | <0.01 | |
| Normal morphology (%) | 1.85 | 1.48 | 0.04 | |
| Total motile sperm count (million) | 57.9 | 43.7 | 0.02 | |
* Mann–Whitney U test.