Table 4 Correlation between sperm percentage and IVF fertilization rate
Percentage of sperm with a small acrosome | n | IVF fertilization rate (%) | 95% (CI) | P |
|---|---|---|---|---|
< 20% | 266 | 91.7 ± 11.6 | 90.4–93.2 | 0.000 |
20–40% | 171 | 72.9 ± 13.4 | 70.9–74.9 | 0.000 |
> 40% | 75 | 39.8 ± 7.6 | 38.1–41.5 | 0.003 |