Table 1.
Background information on the study population with a comparison of semen parameters between the normal and abnormal groups
| Semen parameters | Mean±s.d. | P | 95% CI | |
|---|---|---|---|---|
| Normal group (n=199) | Abnormal group (n=1893) | |||
| ORP (mV/106 sperm/ml) | 0.88±1.64 | 5.08±14.24 | 0.001 | −4.97–−3.43 |
| Sperm total (106) | 231.01±171.96 | 108.30±147.38 | 0.001 | 92.83–152.58 |
| Progressive motility (%) | 48.08±10.87 | 15.81±15.29 | 0.001 | 30.28–34.25 |
| Total motility (%) | 57.19±10.44 | 41.26±17.16 | 0.001 | 13.97–17.88 |
| Normal morphology (%) | 6.76±3.49 | 4.87±7.46 | 0.001 | 1.20–2.59 |
| Sperm concentration (106 ml−1) | 70.53±50.82 | 34.72±31.16 | 0.001 | 27.12–44.51 |
| Volume (ml) | 3.47±1.41 | 3.18±2.29 | 0.001 | −0.09–0.68 |
Sperm parameters and ORP values in patients with at least one abnormal semen parameter versus patients with normal semen parameters. ORP: oxidation-reduction potential; CI: confidence interval; s.d.: standard deviation