Table 1. Comparison of seminal characteristics according the male age
  ≤39 40-49 ≥50
Semen volume (mL) (Mean ± SD) 2.1±1.19 1.9±1.31 1.9±1.10
Sperm concentration (x 106/mL) 125.4±46.13 95.4±43.66 56.8±50.69
Progressive motility (%) 30.3±7.48 28.1±8.55 25.2±9.07
Sperm morphology
(%)
9.3±5.44 7.4±3.84 5.5±4.70*
Sperm DNA fragmentation (%) 25.6±15.63 24.1±14.49 33.6±18.19**
* p<0.05 in relation to groups ≤39 years
* p<0.05 in relation to groups ≤39 years and 40-49 years