| Semen parameters* |
Explanatory variable |
% Change |
95% CI (%) |
P |
|
| Sperm concentration |
T:LH |
57.0 |
13.4–117.2 |
.007 |
| Total sperm count |
T:LH |
46.8 |
6.2–103.0 |
.02 |
| Sperm morphology |
T:LH |
15.8 |
–3.9–39.5 |
.12 |
Hormones |
|
|
|
|
| FSH |
Inhibin B |
–44.6 |
29.8–56.4 |
<.001 |
| Testosterone |
LH |
10.7 |
1.0–21.2 |
.03 |
| Inhibin B |
Total sperm count |
6.1 |
2.6–9.7 |
.001 |
| |
Sperm concentration |
5.6 |
2.1–9.2 |
.002 |
|
| *Corrected for age |
| T:LH, testosterone to luteinizing hormone ratio |
| Percentage change in the dependent variable associated with a twofold
increase in the independent variable |
| Corrected for BMI, age, and sampling hour |
|
