Table 3.
The mean (±s.d.) blood-to-brain influx constants (Ki; × 10−3 mL/g per min) obtained for the three regions of interest (ROIs), i.e., preoptic area (PoA), striatum (Str), and parietalinsular cortex (PCx) from magnetic resonance imaging data and Patlak plots (MRI method) and quantitative autoradiographic data and the single-time equation (QAR method)
| Method | Ki (×10−3 mL/g per min)
|
||
|---|---|---|---|
| PoA (6) | Str (5) | PCx (3) | |
| MRI | 3.6±1.3 | 3.3±1.1 | 2.8±1.2 |
| QAR | 4.5±1.2‡ | 3.9±1.3¶ | 3.7±1.3§ |
‡
P=0.15;
¶
P=0.27;
§
P=0.25.
The sample size (n) is given in parentheses next to the ROI name.