Table 2.
Clinical characteristics of the patients and SR rate stratified according to testicular histology
| SCO | MA | HypoS | NormoS | P | |
|---|---|---|---|---|---|
| Patients n. | 205 | 75 | 149 | 57 | |
| Age (years) | 35.64±5.42 | 37.21±6.67 | 39.05±7.83 | 37.57±4.50 | < 0.01 |
| Azoospermia n. (%) | 196 (95.6%) | 60 (80.0%) | 121 (81.2%) | 13 (22.8%) | < 0.01 |
| Criptozoospermia n. (%) | 7 (3.4%) | 10 (13.3%) | 6 (4.0%) | 17 (29.8%) | < 0.01 |
| Oligozoospermia n. (%) | 2 (1.0%) | 5 (6.7%) | 22 (14.8%) | 24 (42.1%) | < 0.01 |
| Necrozoospermia n. (%) | 0 (0%) | 0 (0%) | 0 (0%) | 3 (5.3%) | < 0.01 |
| BMI (kg/m2) | 25.86±2.90 | 27.71±3.54 | 27.66±7.80 | 25.5±2.42 | NS |
| FSH (mIU/ml) | 24.34±11.65 | 18.15±11.63 | 12.66±11.60 | 11.02±8.81 | < 0.01 |
| LH (mIU/ml) | 9.80±6.00 | 7.25±4.08 | 5.63±3.25 | 5.18±2.90 | < 0.01 |
| T (ng/ml) | 4.30±2.85 | 4.40±2.06 | 4.75±1.87 | 4.93±2.26 | NS |
| SR | 60 (29.3%) | 58 (77.3%) | 132 (88.6%) | 57 (100%) | < 0.01 |
| Testis vol. (right, ml) | 7.24±4.58 | 7.75±3.39 | 11.05±8.52 | 12.38±5.15 | < 0.01 |
| Testis vol. (left, ml) | 7.17±4.06 | 8.23±3.69 | 10.43±10.44 | 10.56±3.17 | NS |
SCO Sertoli cell only, MA maturation arrest, HypoS hypospermatogenesis, NormoS normospermatogenesis, BMI body mass index, FSH follicle stimulating hormone, LH luteinizing hormone, T testosterone, SR sperm retrieval, NS not significant