Table 4 Comparison of diagnostic performance between 18F-FDG PET and CT
From: Value of 18F-FDG PET/CT in guiding management of facet joint arthropathy
18F-FDG PET/CT | Diagnostic CT | p value | |||
|---|---|---|---|---|---|
% | 95% CI | % | 95% CI | ||
Sensitivity | 88.1 | 77.1–95.1 | 57.6 | 44.1–70.4 | < 0.01* |
Specificity | 97.1 | 90.1–99.7 | 45.7 | 33.7–58.1 | < 0.01* |
Accuracy | 93.0 | 87.2–6.8 | 51.2 | 42.2–60.1 | < 0.01* |
Positive predictive value | 96.3 | 86.9–99.0 | 47.2 | 39.7–54.9 | < 0.01* |
Negative predictive value | 90.7 | 82.9–95.1 | 56.1 | 46.4–65.5 | 0.01* |