From: The correlation between sperm percentage with a small acrosome and unexplained in vitro fertilization failure
Fertility rate
n
percentage of sperm with a small acrosome
95% (CI)
P
>ā30%
433
23.0āĀ±ā5.3
22.5ā23.5
0.000
ā¤30%
79
47.0āĀ±ā8.3
45.1ā48.8