Table 1 Test-retest analysis of unadjusted SUV
Mean test value | Mean retest | Mean regional difference % (SD) | Mean VAR % (SD)a | ICC | Sample size to detect 5 % changeb | Sample size to detect 10 % changeb | |
|---|---|---|---|---|---|---|---|
Frontal lobe | 1.22 | 1.24 | 1.40 (6.62) | −1.22 (6.50) | 0.96 | 21 | 7 |
Parietal lobe | 1.17 | 1.19 | 2.33 (7.61) | −2.08 (7.49) | 0.94 | 27 | 9 |
Temporal lobe | 1.17 | 1.18 | 0.98 (7.34) | −0.76 (7.27) | 0.93 | 25 | 8 |
Occipital lobe | 1.21 | 1.22 | 0.87 (8.07) | −0.61 (8.10) | 0.93 | 30 | 9 |
Hippocampus | 1.06 | 1.08 | 2.01 (6.55) | −1.82 (6.48) | 0.93 | 21 | 7 |
Parahippocampal cortex | 1.15 | 1.18 | 2.91 (6.27) | −2.72 (6.08) | 0.97 | 19 | 7 |
Posterior cingulate | 1.31 | 1.35 | 3.27 (7.20) | −3.02 (7.03) | 0.95 | 24 | 8 |
Amygdala | 1.22 | 1.22 | 1.49 (6.01) | −1.34 (5.73) | 0.98 | 18 | 7 |
Cerebellum | 1.32 | 1.29 | −1.81 (10.22) | 2.28 (10.93) | 0.87 | 45 | 14 |
Whole brain | 1.13 | 1.14 | 1.35 (7.30) | −1.13 (7.22) | 0.94 | 25 | 8 |
Mean (SD) | 1.20 (0.08) | 1.21 (0.08) | 1.48 (7.32) | −1.24 (7.28) | 0.94 | 26 | 8 |