Parameter | Group 1 <24.9 N = 104 | Group 2 25 - 29.9 N = 122 | Group 3 >30 N = 50 | P value |
Volume (ml) (SD) | 3.4 (1.7) | 3.3 (1.7) | 3.3 (1.7) | >0.05 |
Sperm concentration (million/ml) (SD) | 42.9 (24.2) | 37.4 (24.4) | 34.4 (25.3) | 0.037 |