Table 3.

Correlations between AMH and inhibin B, FSH, LH, total testosterone serum levels, mean testicular volume and age at TESE in each category of azoospermia

		OA n = 23	Unexplained NOA n = 69	Cryptorchidism NOA n = 25	Cytotoxic NOA n = 8	Genetic NOA n = 30
Mean testicular volume (ml)	r	0.50	0.39	0.52	0.09	0.71
	P-value	0.01	0.0008	0.006	0.82	< 0.0001
FSH (IU/L)	r	0.25	-0.21	-0.35	-0.23	-0.43
	P-value	0.23	0.07	0.07	0.53	0.01
LH (IU/L)	r	− 0.07	-0.24	-0.33	-0.11	-0.73
	P-value	0.73	0.04	0.09	0.78	< 0.0001
Testosterone (ng/ml)	r	0.27	0.36	0.47	0.70	0.76
	P-value	0.19	0.002	0.01	0.04	< 0.0001
Inhibin B (pg/ml)	r	0.36	0.27	0.45	0.72	0.67
	P-value	0.08	0.02	0.02	0.05	< 0,0001

The relationship between AMH serum levels and other hormonal profiles and mean testicular volume was assessed by Spearman’s correlation

IQR Interquartile range (first and third quartiles), NOA Nonobstructive azoospermia, OA Obstructive azoospermia, r Spearman’s coefficient of correlation, TESE Testicular sperm extraction