Table 1.

Comparison of a tubule diameter ≥100 µm and that <100 µm.

	Diameter of tubules (µm)
	≥100	<100	p value
n	32	24
Mean (±SD) male age (years)	30 ± 4	31.4 ± 3.5	0.174
Mean (±SD) volume of testis (mL)	8.1 ± 2.4	5.3 ± 1.8	<0.001
Mean (±SD) FSH (mIU/mL)	19.9 ± 9.7	25.9 ± 7.1	0.014
Mean (±SD) testosterone (nmol/L)	13.9 ± 9	11.4 ± 4.9	0.069
Sperm retrieval rate (%)	3.1	25	0.035

SD: standard deviation; FSH: follicle-stimulating hormone.