| |
Mohr et al, 2005 |
Elmlinger et al, 2003 |
Elmlinger et al, 2005 |
Schatzl et al, 2003 |
Present Studya |
|
| Country |
USA |
Germany |
Germany |
Austria |
Germany |
| n |
3339 |
300 |
446 |
133 |
1078 |
| Method |
RIA and CLEIA |
CLEIA |
CLEIA |
CLEIA |
CLEIA |
| Statistic |
Regression analyses (central 95% range) |
Descriptive (central 95% range) |
Descriptive (central 95% range) |
Descriptive (mean ± 2 SD) |
Quantile regression (central 95% range) |
| |
Serum Testosterone Reference Range, nmol/Lb |
| Age, y |
|
|
|
|
|
| 20-29 |
|
11.3-34.7 |
9.7-29.6 |
10.7-28.8 |
9.9-32.1 |
| 30-39 |
|
10.5-31.3 |
8.7-26.0 |
10.4-28.8 |
9.0-31.6 |
| 40-49 |
8.7-31.7 |
7.5-19.9 |
7.8-22.0 |
9.7-24.3 |
8.1-31.0 |
| 50-59 |
7.5-30.4 |
5.0-20.2 |
8.8-21.6 |
8.3-21.9 |
7.3-30.1 |
| 60-69 |
6.8-29.8 |
5.3-19.6 |
5.8-22.7 |
7.3-18.7 |
6.7-29.0 |
| 70-79 |
5.4-28.4 |
4.4-21.2c |
0.8-22.0d |
5.9-17.0e |
6.2-27.8 |
|
| Abbreviations: CLEIA, chemiluminescent enzyme immunoassay; RIA,
radioimmunoassay; SD, standard deviation. |
| a25, 35, 45, 55, 65, and 75 years. |
| bTo convert the values for testosterone to ng/dL, multiply by 28.82. |
| c70-86 years. |
| d70-99 years. |
| e70-89 years. |
|
