Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Significant correlations between biochemical markers and 18F-dopa PET in total group
| Correlation coefficient | Variance explained by correlation | |
|---|---|---|
| Urinary serotonin | 0.51 | 0.26 |
| Urinary 5-HIAA | 0.78 | 0.61 |
| Plasma 5-HIAA | 0.66 | 0.44 |
| Urinary norepinephrine | 0.53 | 0.28 |
| Urinary epinephrine | 0.38 | 0.14 |
| Urinary dopamine | 0.41 | 0.17 |
| Urinary 3-MT | 0.44 | 0.19 |
| Plasma dopamine | 0.39 | 0.15 |
