Table 4 Serum testosterone level distribution (ng/mL) based on age.
Age (years) | Mean | Percentile | n | ||||
|---|---|---|---|---|---|---|---|
5th | 10th | Median | 90th | 95th | |||
20 ~ 25 | 0.38 | 0.20 | 0.21 | 0.36 | 0.63 | 0.76 | 35 |
26 ~ 30 | 0.40 | 0.17 | 0.21 | 0.32 | 0.56 | 0.89 | 288 |
31 ~ 35 | 0.34 | 0.16 | 0.18 | 0.28 | 0.47 | 0.54 | 688 |
36 ~ 40 | 0.32 | 0.15 | 0.17 | 0.26 | 0.42 | 0.51 | 627 |
41 ~ 46 | 0.27 | 0.13 | 0.15 | 0.23 | 0.37 | 0.45 | 247 |
All | 0.33 | 0.15 | 0.17 | 0.27 | 0.46 | 0.55 | 1,885 |