Supplementary Table 3.

Predictors of a uniform distribution of seminiferous tubules via univariate logistic regression

Characteristic	OR (95% CI)	P
Age (year)	0.92 (0.82–1.02)	0.116
Testis volume (ml)	0.78 (0.65–0.85)	<0.001
PRL (mIU l−1)	1.00 (1.00–1.00)	0.390
FSH (IU l−1)	0.99 (0.96–1.02)	0.521
LH (IU l−1)	1.05 (0.98–1.12)	0.210
E2 (pmol l−1)	1.00 (1.00–1.01)	0.461
Testosterone (nmol l−1)	0.97 (0.92–1.02)	0.199
Inhibin B (pg ml−1)	1.00 (0.99–1.02)	0.996

OR: odds ratio; CI: confidence interval; PRL: prolactin; FSH: follicle-stimulating hormone; LH: luteinizing hormone; E2: estradiol