Semen parameters | First analysis | Second analysis | P-value |
---|---|---|---|
Mean ± SD (Range) or Frequency (Percentage) | |||
pH | 7.6 ± 0.3 (7–8) | 7.6 ± 0.3 (7–8) | 0.581 |
Volume (mL) | 3.27 ± 0.75 (2–4.6) | 3.25 ± 0.76 (2–4.6) | 0.813 |
Sperm concentration (million/mL) | 96.5 ± 35.9 (12–154) | 104.7 ± 33.8 (15–154) | 0.844 |
Percentage of progressive sperm motility | 44.5 ± 6.7 (34–58) | 46.5 ± 7.1 (34–58) | 0.043 |
Morphology (% of normal forms) | 23.4 ± 17.6 (1–55) | 30.6 ± 13 (2–60) | <0.001 |
Red blood cells (106/ml) | 1.07 ± 0.78 (0–2) | 1.06 ± 0.76 (0–2) | 0.877 |
Leucocytes (106/ml) | 1.2 ± 1 (0–6) | 1.1 ± 0.8 (0–2) | 0.539 |
Total semen qualityb | |||
Normal | 67 (67%) | 89 (89%) | <0.001 |
Abnormal | 33 (33%) | 11 (11%) |