Table 2 Correlation analyses between sperm parameters and headless sperm proportion
From: Semen parameters are seriously affected in acephalic spermatozoa syndrome
| Â | Median (25th centile,75th centile) | Correlation coefficient | P |
|---|---|---|---|
Age (year) | 30(27–32) | − 0.09212 | 0.0678 |
Abstinence delay (day) | 4(3–5) | − 0.03669 | 0.4700 |
Semen volume (ml) | 3.3(2.5–4.1) | 0.06314 | 0.2134 |
Sperm concentration (millions /ml) | 73.8(36.9–131.6) | −0.4308 | < 0.0001 |
Total sperm count (millions/ejaculate) | 236.5(108.7–419.4) | −0.4618 | < 0.0001 |
Sperm vitality (%) | 77(70–81) | −0.1718 | 0.0007 |
Progressive motility(%) | 49(37–61) | −0.2740 | < 0.0001 |
Normal sperm morphology(%) | 8(2–6) | −0.1752 | 0.0006 |
VCL (μm/sec) | 35.1(25.0–45.2) | −0.3038 | < 0.0001 |
VAP (μm/sec) | 25.3(17.6–32.7) | −0.2991 | < 0.0001 |
ALH (μm/sec) | 3.14(2.3–3.9) | −0.3517 | < 0.0001 |
BCF (Hz) | 9.9(7.6–12.1) | −0.3718 | < 0.0001 |