Outcomes of Microdissection Testicular Sperm Extraction/Intracytoplasmic Sperm Injection in Cases of Nonobstructive Azoospermia: A Retrospective Study

Table 1

Clinical characteristics of men with nonobstructive azoospermia (NOA) with positive and negative sperm retrieval rate (SRR).

Variable	Positive SRR	Negative SRR	value
Patients ()	103	211	—
Male age (years)	30 (27.5–34)	30 (28–32)	0.569
Left testicular volume (mL)	5.00 (2.00–8.00)	7.15 (4.00–10.00)	0.015
Right testicular volume (mL)	5.00 (2.35–8.95)	7.20 (4.00–10.00)	0.010
FSH (mIU/mL)	24.14 (13.70–31.55)	20.85 (13.73–28.59)	0.056
LH (mIU/mL)	11.68 (7.19–17.02)	10.11 (6.85–15.80)	0.117
Estradiol, E2 (pmol/L)	27.68 (19.60–37.29)	27.00 (19.22–35.20)	0.736

Data are presented as median (interquartile range); .