| Semen Parameter |
Regression Coefficient (for 10-y Interval) |
P Value |
|
| Volume (mL) |
-0.38 |
.0002 |
| pH (unit) |
0.03 |
>.1 |
| Concentration (sperm*/mL) |
-25.40 |
.02 |
| Total sperm count (sperm)* |
-101.1 |
.004 |
| Motility (%) |
-5.12 |
.02 |
| Total motile sperm (sperm)* |
-36.6 |
.001 |
| Progressive motility (%) |
-4.27 |
.004 |
| Normal morphology (%) |
-1.06 |
.009 |
| Head defects (%) |
-0.18 |
>.1 |
| Midpiece defects (%) |
-0.84 |
>.1 |
| Tail defects (%) |
2.46 |
<.0001 |
|
| *Number of sperm x 106. |
|
