Table 4.

Multiple regression to predict concentration.

Independent variables	Coefficient	Srd. Error	t	P value
(Constant)	11.9576
Age	1.0138	0.3778	2.684	0.0075*
BMI	0.01678	0.4678	0.0359	0.9714
LH	0.01528	0.3433	0.0265	0.8456
FSH	0.2616	0.4780	0.568	0.5701
Testosterone	−0.4797	0.6939	−0.691	0.4897
Prolactin	−0.2376	0.3698	−0.643	0.5207