Mean (SD) [18F]dopa uptake in healthy volunteers scanned with and without entacapone
| Structure (method of analysis) | Mean (n=8) without entacapone | Mean (n=8) with entacapone | Ratio |
|---|---|---|---|
| Mean putamen (Ki) | 0.0101 (0.0014) min−1 | 0.0133 (0.0025) min−1 | 0.76 |
| Mean caudate (Ki) | 0.0114 (0.0016) min−1 | 0.0143 (0.0024) min−1 | 0.80 |
| Mean total striatum (Ki) | 0.0074 (0.0009) min−1 | 0.0101 (0.0012) min−1 | 0.73 |
| Mean putamen (ratio) | 2.38 (0.25) | 2.75 (0.39) | 0.87 |
| Mean caudate (ratio) | 2.40 (0.21) | 2.72 (0.27) | 0.88 |