Table 3.
Sites and density characteristics showing different performance between 2-deoxy-2-(18F)fluoro-D-glucose and 18F-sodium positron emission tomography/computed tomography
| n | 18F-FDG | 18F-NaF | P | |
| Density | ||||
| Osteosclerotic | 89 | 0.005 | ||
| Sensitivity (%): | 42.86 (15.82-74.95) | 99.00 (64.57-99.00) | ||
| Specificity (%): | 97.00 (60.97-97.00) | 48.15 (35.39-61.15) | ||
| No lesion/bone marrow | 29 | 0.002 | ||
| Sensitivity(%): | 100.00 (60.97-100.00) | 48.15 (30.74-66.01) | ||
| Specificity(%): | 100.00 (34.24-100.00) | 100.00 (34.24-100.00) | ||
| Site | ||||
| Spine | 81 | 0.002 | ||
| Sensitivity (%): | 65.38 (51.80-76.85) | 100.00 (93.12-100.00) | ||
| Specificity (%): | 98.00 (88.30-98.00) | 13.45 (0.61-27.18) | ||
| Ribs | 118 | 0.04 | ||
| Sensitivity (%): | 83.96 (75.81-89.74) | 96.23 (90.70-98.52) | ||
| Specificity (%): | 78.37 (52.33-92.50) | 78.57 (52.41-92.43) |
18F-FDG: 2-deoxy-2-(18F)fluoro-D-glucose; 18F-NaF: 18F-sodium.