Research Article

Comparison of Bone Metastases between 18F-NaF PET/CT, 18F-NaF PET, and Planar 99mTc-MDP Bone Scintigraphy in Patients with Newly Diagnosed Nasopharyngeal Carcinoma

Table 2

Patient-based analysis of lesion on 18F-NaF PET/CT, 18F-NaF PET, and planar 99mTc-MDP bone scintigraphy (n = 58).

TPFPTNFNPPV (95% CI)NPV (95% CI)Sensitivity (95% CI)Specificity (95% CI)Accuracy (95% CI)

PET/CT1933600.864 (0.760, 1.000)1.000 (1.000, 1.000)1.000 (1.000, 1.000)0.923 (0.821, 1.000)0.948 (0.879, 1.000)
PET19182100.514 (0.442, 0.613)1.000 (1.000, 1.000)1.000 (1.000, 1.000)0.538 (0.385, 0.692)0.690 (0.586, 0.793)
SPECT15102940.600 (0.469, 0.762)0.879 (0.784, 0.969)0.789 (0.579, 0.947)0.744 (0.590, 0.872)0.759 (0.655, 0.862)

TP: true positive; FP: false positive; TN: true negative; FN: false negative; NPV: negative predictive value; PPV: positive predictive value.