Descriptive Statistics of Several Uptake Measures
Overall | Center 1 | Center 2 | Center 3 | P (between centers) | ||||||
Metric | Test | Retest | Test | Retest | Test | Retest | Test | Retest | Test | Retest |
SUVmax | 7.46 ± 3.37 | 7.70 ± 3.78 | 6.88 ± 3.30 | 7.18 ± 3.63 | 8.01 ± 3.82 | 8.27 ± 4.35 | 6.77 ± 1.73 | 6.90 ± 1.80 | 0.35 | 0.43 |
SUVpeak | 6.53 ± 2.88 | 6.80 ± 3.22 | 6.43 ± 3.01 | 6.78 ± 3.25 | 6.77 ± 3.10 | 7.00 ± 3.53 | 5.66 ± 0.99 | 5.97 ± 1.19 | 0. 88 | 0.90 |
SUVmean | 5.24 ± 2.28 | 5.41 ± 2.55 | 4.92 ± 2.24 | 5.20 ± 2.52 | 5.57 ± 2.61 | 5.75 ± 2.93 | 4.77 ± 1.13 | 4.83 ± 1.14 | 0.57 | 0.70 |
TLU | 47.1 ± 104.7 | 46.4 ± 95.5 | 30.8 ± 35.92 | 29.8 ± 33.17 | 62.9 ± 138.0 | 60.8 ± 124.3 | 26.7 ± 32.6 | 29.8 ± 42.1 | 0.001* | 0.001* |
ARTV | 8.78 ± 15.87 | 8.39 ± 13.81 | 5.74 ± 5.73* | 5.36 ± 5.13* | 11.6 ± 20.65 | 10.8 ± 17.65 | 5.36 ± 6.14 | 5.81 ± 7.38 | 0.003* | 0.003* |
↵* Volumetric measures were significantly larger in Center 2 (Kruskal–Wallis test).