. Author manuscript; available in PMC: 2012 Sep 4.

Published in final edited form as: J Androl. 2011 May 19;33(3):488–498. doi: 10.2164/jandrol.111.013557

Table 3.

Summary statistics for serum reproductive hormone levels in men from both studies separately and combined (N=850)

	Study	Geometric Mean	Selected Percentiles			P value^e
	Study	Geometric Mean	10^th	50^th	90^th	P value^e
*Variables*
FSH (IU/L)
	SFF	2.9	1.5	2.9	5.5
	MGH	8.0	4.3	7.5	15.7
	TOTAL	4.8	1.9	4.8	11.8	< 0.001
LH (IU/L)
	SFF	3.3	1.9	3.3	5.4
	MGH	10.1	5.8	9.9	17.2
	TOTAL	5.7	2.4	5.5	14.5	< 0.001
T (nmol/L)
	SFF	17.7	10.9	18.1	28.7
	MGH	13.8	8.8	14.1	21.1
	TOTAL	15.6	9.7	15.9	25	< 0.001
Inhibin B (pg/mL)
	SFF^a	207	120	218	333
	MGH	147	81.6	160	262
	TOTAL^c	174	101	182	299	< 0.001
E₂ (pmol/L)
	SFF^b	80.1	53	83	121
	MGH	96.2	36.7	110	165
	TOTAL^d	88	36.8	94.5	143	< 0.001
SHBG (nmol/L)
	SFF	27.6	15	28	50.4
	MGH	25.8	15.3	26	44
	TOTAL	26.7	15	27	47	0.01
FAI
	SFF	64.2	39.7	65	100
	MGH	53.4	34.9	52.1	83.6
	TOTAL	58.6	37.1	58.4	93.8	< 0.001
FT
	SFF	11.5	7.4	11.8	17.5
	MGH	9.0	6.1	9.1	12.9
	TOTAL	10.2	6.5	10.3	15.9	< 0.001
T/E₂ ratio
	SFF^b	0.22	0.11	0.23	0.40
	MGH	0.14	0.08	0.13	0.32
	TOTAL^d	0.18	0.09	0.18	0.37	< 0.001

N= 424 for Inhibin B

N= 405 for E₂ and T/E₂ ratio

N= 849 for Inhibin B

N= 830 for E₂ and T/E₂ ratio,

Mann-Whitney U Test