Skip to main content

Table 1 Epidemiological, biological and histopathological data in Group 1 (idiopathic NOA) and Group 2 (NOA with a history of cryptorchidism) patients

From: Non-obstructive idiopathic azoospermia vs azoospermia with antecedents of cryptorchidism: ways and probabilities of becoming parents

All Patients
(n = 180)
Group 1
Idiopathic NOA
n = 125
Group 2
NOA with History of Cryptorchidism
n = 55
P
Male age (years) 33.3 ± 5.9 33.5 ± 5.3 NS
Female age (years) 29.7 ± 4.1 30.3 ± 3.9 NS
Length of infertility (years) 2.9 ± 1.9 3.4 ± 2.8 NS
TTV (mL) 19.0 ± 7.0 17.8 ± 7.1 NS
FSH (IU/L) 17.0 ± 9.3 17.2 ± 10.0 NS
Inhibin B (pg/mL) 53.3 ± 74.1 57.8 ± 67.6 NS
Testosterone (nmol/L) 13.6 ± 6.2 14.0 ± 5.7 NS
Fresh examination by IVF laboratory
 Positive extraction 34 (27%) 29 (53%) 0.01
 Positive extraction with freezing 32 (26%) 28 (51%) 0.01
Histological examination
 Hypospermatogenesis 49 (39%) 32 (58%) 0.028
 Spermatogenesis with maturation arrest 22 (18%) 1 (2%) 0.007
 Sertoli cell only 54 (43%) 22 (40%) NS
  1. Data are presented as mean ± SD or as percentages
  2. NOA non-obstructive azoospermia, FSH follicle stimulating hormone, IVF In Vitro Fertilization, NS not-significant, TTV total testicular volume, SD standard deviation