Microsurgical Testicular Sperm Extraction: Predictive Factors and Outcomes for Men with Nonobstructive Azoospermia

Table 1

Difference of preoperative characteristics between the positive and negative micro-TESE group.

Preoperative data	Positive micro-TESE N = 125	Negative micro-TESE N = 47	p-Value
Age (years)	37.9 ± 6.29	36.87 ± 6.28	0.882
Right testis volume (mL)	8.32 ± 3.09	8.13 ± 3.12	0.648
Left testis volume (mL)	6.99 ± 3.08	6.63 ± 3.12	0.617
FSH (IU/L)	12.41 ± 11.52	26.01 ± 16.62	0.253
LH (IU/L)	5.82 ± 4.57	9.54 ± 6.64	0.283
PRL (mIU/L)	10.03 ± 4.59	11.8 ± 4.5	0.411
Total testosterone (nmol/L)	5.56 ± 2.9	3.77 ± 2.6	0.369