TABLE 2.

Semen parameters of men exposed and not exposed to stimulants

Semen parameter	Exposed	n *	Non-exposed	n *	p-value
Volume (ml)	2.70 (1.90–3.50)	102	3.00 (2.00–4.00)	8,282	0.025
Concentration (mil/ml)	40.50 (21.25–67.12)	92	42.50 (23.80–67.25)	8,203	0.46
Motility (%)	59.00 (52.00–64.00)	99	59.00 (51.00–66.00)	8,246	0.32
TMSC (mil/ejaculate)	71.60 (27.54–106.09)	92	72.49 (32.29–125.46)	8,201	0.19
Normal morphology (%)	6.00 (3.00–11.00)	98	7.00 (4.00–12.50)	7,624	0.39

Note: Values are reported as median (interquartile range).

Abbreviation: TMSC, total motile sperm count.

^*Sample sizes differ from the overall cohort sizes after accounting for missing data.