Table 5.
An inverse correlation between normalised concentrations and subject BMI/weight (kg)
| NC within VOIs | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| F | RC | RAP | RPP | LC | LAP | LPP | OB | T | M | P | |
| BMI (r) | |||||||||||
| A | − 0.570** | − 0.422** | − 0.377** | − 0.463** | − 0.439** | − 0.540** | − 0.415** | − 0.516** | − 0.286* | − 0.425** | − 0.552** |
| B | − 0.656* | − 0.711** | − 0.545* | − 0.581* | − 0.375 | − 0.572* | − 0.765** | − 0.682** | − 0.096 | − 0.124 | − 0.558* |
| S | − 0.813** | − 0.533 | − 0.558 | − 0.195 | − 0.440 | − 0.595 | − 0.696* | − 0.502 | − 0.133 | − 0.524 | − 0.651* |
| Weight (r) | |||||||||||
| A | − 0.687** | − 0.525** | − 0.474** | − 0.575** | − 0.543** | − 0.591** | − 0.461** | − 0.689** | − 0.364* | − 0.564** | − 0.640** |
| B | − 0.622* | − 0.615* | − 0.563* | − 0.542* | − 0.395 | − 0.494 | − 0.530 | − 0.448 | − 0.056 | − 0.124 | − 0.452 |
| S | − 0.941** | − 0.740** | − 0.730* | − 0.296 | − 0.607* | − 0.746** | − 0.747** | − 0.738** | − 0.367 | − 0.764** | − 0.793** |
Significance represented at either 0.05 level* or 0.01 level**
NC = Normalised concentration; VOI = volume of interest (F = frontal; RC = right caudate; RAP = right anterior putamen; RPP = right posterior putamen; LC = left caudate; LAP = left anterior putamen; LPP = left posterior putamen; OB = occipital background; T = thalamus; M = midbrain; P = pons); r = Pearson correlation; A = abnormal scan group; B = borderline scan group; S = scan without evidence of dopaminergic deficit group