Table 4 Test-retest variability (%) of various (R)-[11C]verapamil rate constants derived from PVC OSEM reconstructed data
From: Reproducibility of quantitative (R)-[11C]verapamil studies
TRT (%) | 1T2k60 | 1T2k60 | 1T2k10 | 1T2k10 | 2T4kVTnsfix | 2T4kVTnsfix | 2T4kVTnsfix | 2T4kVTnsfix |
|---|---|---|---|---|---|---|---|---|
K 1 | k 2 | V T | k 2 | K 1 | k 2 | k 3 | k 4 | |
Global | 9.9 ± 8.0 | 10.2 ± 7.2 | 7.4 ± 7.3 | 9.7 ± 6.3 | 8.2 ± 6.5 | 21.9 ± 26.1 | 62.2 ± 54.4 | 50.2 ± 38.2 |
Frontal | 10.1 ± 7.9 | 10.4 ± 8.0 | 9.3 ± 9.2 | 11.1 ± 7.7 | 7.6 ± 5.1 | 21.3 ± 25.1 | 61.5 ± 57.8 | 51.0 ± 43.6 |
Parietal | 10.7 ± 8.1 | 11.3 ± 6.9 | 9.0 ± 5.9 | 11.5 ± 9.9 | 9.7 ± 7.8 | 22.9 ± 26.0 | 66.1 ± 57.5 | 57.7 ± 40.2 |
Temporal | 9.1 ± 8.2 | 11.6 ± 6.8 | 7.1 ± 5.8 | 9.4 ± 6.2 | 8.0 ± 7.2 | 22.2 ± 26.1 | 61.7 ± 52.6 | 49.3 ± 36.1 |
Occipital | 11.0 ± 7.6 | 9.3 ± 7.1 | 6.7 ± 7.5 | 9.7 ± 6.7 | 10.7 ± 7.5 | 23.1 ± 28.8 | 60.0 ± 56.1 | 49.1 ± 39.1 |
Posterior cingulate | 13.4 ± 11.5 | 11.4 ± 8.2 | 15.6 ± 10.1 | 17.7 ± 9.5 | 13.6 ± 10.6 | 28.0 ± 27.4 | 84.4 ± 57.1 | 69.8 ± 54.1 |
Anterior cingulate | 12.9 ± 9.3 | 12.6 ± 8.8 | 13.8 ± 8.6 | 21.7 ± 12.5 | 11.3 ± 6.2 | 23.3 ± 24.6 | 74.7 ± 63.8 | 65.4 ± 50.7 |
Medial temporal | 15.0 ± 21.7 | 14.4 ± 13.0 | 25.8 ± 13.2 | 38.3 ± 22.1 | 16.9 ± 19.1 | 28.6 ± 31.1 | 82.3 ± 53.5 | 79.2 ± 45.5 |
Cerebellum | 8.4 ± 7.5 | 10.2 ± 6.8 | 10.1 ± 6.4 | 10.6 ± 6.7 | 7.2 ± 5.9 | 20.8 ± 26.1 | 68.0 ± 60.8 | 59.1 ± 47.5 |