Table VI.

Sensitivity analysis: risk prediction model built using all 597 males with non-obstructive azoospermia.

	B	P-value	Odds ratio (95% CI)
FSH	0.133	<0.001	1.142(1.107–1.179)
Testicular volume Group 2: 12–14 ml	−0.651	0.02	0.522(0.302–0.902)
Testicular volume Group 3: 15 ml~	−1.424	<0.001	0.241(0.143–0.405)
Age 35 years or older	−1.256	<0.001	0.285(0.163–0.496)
Constant	−0.315	0.286	0.730