Table 1 Predictors of non-obstructive azoospermia in azoospermia patients via logistic regression analysis.
Characteristics | Univariate regression | Multiple regression | ||
---|---|---|---|---|
OR (95% CI) | P-value | OR (95% CI) | P-value | |
Age (year) | 0.96 (0.90, 1.02) | 0.182 | ||
Mean testicular volume (ml) | 0.53 (0.45, 0.62) | < 0.001 | 0.74 (0.57, 0.96) | 0.021 |
Semen volume (ml) | 1.66 (1.34, 2.05) | < 0.001 | 1.33 (0.87, 2.02) | 0.186 |
Semen pH | 21.53 (8.37, 55.41) | < 0.001 | 9.15 (1.02, 82.27) | 0.048 |
Prolactin (mIU/L) | 1.00 (1.00, 1.00) | 0.467 | ||
Follicle stimulating hormone (IU/L) | 1.93 (1.59, 2.34) | < 0.001 | 1.56 (1.23, 1.97) | < 0.001 |
Luteinizing hormone (IU/L) | 1.84 (1.56, 2.17) | < 0.001 | 1.23 (0.91, 1.66) | 0.187 |
Estradiol (pmol/L) | 1.00 (0.99, 1.00) | 0.145 | ||
Testosterone (nmol/L) | 0.93 (0.89, 0.96) | < 0.001 | 1.00 (0.92, 1.08) | 0.900 |
Inhibin B (pg/ml) | 0.95 (0.94, 0.96) | < 0.001 | 0.99 (0.97, 1.00) | 0.049 |