Skip to main content
. 2022 Oct 1;22:159. doi: 10.1186/s12894-022-01107-3

Table 2.

Comparison of semen parameters and sperm kinematics between age categories

< 30 years
(n = 13)
30–40 years
(n = 19)
> 40 years
(n = 19)
Semen volume (ml) 2.85 ± 0.42 2.93 ± 0.31 2.97 ± 0.33
Sperm concentration (106/ml) 72.50 ± 7.19 62.64 ± 6.49 60.84 ± 6.63
Total sperm number (106) 233.83 ± 44.15 187.34 ± 33.27 182.81 ± 31.40
Motility rate (%) 34.80 ± 4.00 34.95 ± 2.91 27.66 ± 2.62
Mobile sperm number (106) 70.74 ± 15.39 70.29 ± 14.97 47.73 ± 9.40
DFI (%) 18.75 ± 3.30 22.00 ± 2.14 21.97 ± 3.00