Table 2 Repeatability of 18F-fluoride uptake in index lesions and total lesion 18F-fluoride uptake per patient
Patients | Results up to five index lesions per patient | Results of total lesion 18F-fluoride uptake | ||||||
|---|---|---|---|---|---|---|---|---|
SUVmax (g/mL) | SUVmean (g/mL) | FTV50% (mL) | TLF (g/mL mL) | |||||
Scan 1 | Scan 2 | Scan 1 | Scan 2 | Scan 1 | Scan 2 | Scan 1 | Scan 2 | |
1 | 47.5 | 50.5 | 20.6 | 21.6 | 9.3 | 9.3 | 1857 | 2082 |
2 | 87.9 | 83.8 | 44.1 | 43.1 | 3.5 | 3.5 | 1381 | 1284 |
3 | 76.2 | 72.7 | 31.2 | 29.3 | 77.6 | 79.7 | 12056 | 12,854 |
4 | 65.5 | 58.6 | 31.9 | 28.6 | 16.6 | 17.3 | 3098 | 3496 |
5 | 45.8 | 45.0 | 19.6 | 19.4 | 11.9 | 12.4 | 1711 | 1811 |
6 | 34.9 | 32.7 | 15.3 | 14.6 | 27.7 | 26.6 | 4614 | 3780 |
7 | 33.6 | 35.0 | 14.7 | 13.4 | 2.7 | 3.0 | 61 | 51 |
8 | 52.0 | 44.5 | 26.5 | 23.0 | 8.0 | 9.1 | 1172 | 994 |
9 | 35.4 | 42.2 | 18.5 | 23.3 | 7.5 | 7.3 | 654 | 962 |
10 | 64.7 | 64.0 | 29.6 | 28.7 | 28.7 | 28.3 | 3790 | 3970 |
Mean ± SD | 58.4 ± 18.7 | 58.1 ± 16.6 | 26.8 ± 9.2 | 26.4 ± 8.6 | 20.4 ± 23.0 | 20.7 ± 22.8 | 1857 ± 3469 | 2082 ± 3663 |
CC | 0.95 (95% CI 0.92–0.97) p < 0.001 | 0.97 (95% CI0.95–0.98) p < 0.001 | 1.0 (95% CI 1.0–1.0) p < 0.001 | 0.99 (95% CI 0.98–1.00) p < 0.001 | ||||
CR absolute | 13.6 | 5.6 | 3.7 | 854 | ||||
CR relative | 26% | 24% | 23% | 35% | ||||