| Variables | Sperm chromatin decondensation |
| Age | r = 0.0348 p = 0.74 |
| First-hour motility (%) | r = −0.06 p = 0.59 |
| Vitality (%) | r = 0.00 p = 0.96 |
| Concentration (millions/ml) | r = 0.18 p = 0.07 |
| Normal shapes (%) | r = 0.02 p = 0.84 |
| Round cells concentration (millions/ml) | r = −0.05 p = 0.63 |