Table 2.
Patient-based analysis: Performance comparisons between 2-deoxy-2-(18F)fluoro-D-glucose and 18F-sodium positron emission tomography/computed tomography
| 18F-FDG | 18F-NaF | |
| Sensitivity (%) | 75.00 (55.10-88.00) | 91.67 (74.15-97.68) |
| Specificity (%) | 99.00 (84.54-100) | 76.19 (54.91-89.37) |
| Positive predictive value (%) | 99.00 (82.41-100) | 81.48 (63.3 91.82) |
| Negative predictive value (%) | 77.78 (59.24-89.39) | 88.89 (67.2-96.90) |
| Error rate (%) | 13.33 (6.26-26.18) | 15.56 (7.75-28.78) |
| Accuracy (%) | 86.67 (73.82-93.74) | 84.44 (71.22-92.25) |
| Youden's index | 0.75 (0.75-0.74) | 0.6786 (0.68-0.6718) |
Estimated parameters corresponding to each technique are presented with 95%CI between square brackets. 18F-FDG: 2-deoxy-2-(18F)fluoro-D-glucose; 18F-NaF: 18F-sodium.