Table 2.

Mean Age and preoperative variables (FSH, LH and inhibin B) in patients with positive or negative sperm retrieval after stepwise micro-TESE: none of these variables was predictive of sperm retrieval

	Positive	Negative	p
N	18	46
Mean age	34.2 ± 7.16	35.9 ± 3.94	0.191
FSH	25.9 ± 15.10	25.7 ± 11.60	0.525
LH	12.5 ± 9.40	9.7 ± 4.88	0.586
Inhibin B	14.9 ± 5.63	20.0 ± 18.86	0.887