Table 3.
The multivariate regression analysis of the variables correlated with sperm DFI in Spearman correlation (n=298)
| Variables | Odds Ratio | 95% CI | P value |
|---|---|---|---|
| Age | 0.865 | 0.785-0.954 | 0.004 |
| Abstinence time | 0.926 | 0.719-1.193 | 0.551 |
| Semen volume | 0.548 | 0.390-0.771 | 0.001 |
| Sperm concentration | 0.978 | 0.962-0.994 | 0.008 |
| Progressive motility | 1.173 | 1.041-1.323 | 0.009 |
| Sperm motility | 0.985 | 0.907-1.069 | 0.713 |
| Normal sperm morphology | 0.716 | 0.487-1.051 | 0.088 |
| TNPMS | 1.307 | 1.012-1.687 | 0.040 |
| Abnormal head | 0.996 | 0.947-1.048 | 0.876 |
| Intact acrosome | 1.082 | 1.006-1.163 | 0.033 |
| Acrosomal enzyme activity | 0.996 | 0.975-1.019 | 0.750 |
| Seminal plasma zinc | 1.229 | 0.705-2.142 | 0.466 |
| Serum LH | 0.976 | 0.768-1.239 | 0.839 |
| Serum FSH | 1.086 | 0.888-1.328 | 0.422 |
| Seminal plasma TG | 1.677 | 0.046-60.819 | 0.778 |
| Seminal plasma TC | 0.807 | 0.224-2.913 | 0.744 |
| Seminal plasma FSH | 0.455 | 0.075-2.752 | 0.391 |
| Seminal plasma estradiol | 0.987 | 0.970-1.003 | 0.111 |
TNPMS Total normal-progressively motile spermatozoa count. Age, semen volume, sperm concentration, progressive motility, TNPMS and intact acrosome were independently correlated with sperm DFI