marginally significantp=0.053
Over a median follow-up of 2.8 years (IQR 1.7, 4.5 years), there was a marginally significant reduction in sperm output (34% reduction from baseline median of 193 to 127 million; p=0.053) and sperm density (30% reduction from 61 to 43 million/mL; p=0.075), with no significant changes in sperm motility or morphology, or serum LH, FSH and testosterone.