Comparison of ¹⁸F-NaF PET/CT and ¹⁸F-FDG PET/CT for Detection of Skull-Base Invasion and Osseous Metastases in Nasopharyngeal Carcinoma

Table 4

Measures of diagnostic performance using ¹⁸F-NaF PET/CT or ¹⁸F-FDG PET/CT to detect osseous metastatic lesions of patients with nasopharyngeal carcinoma.

	TP	FP	TN	FN	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
^18F-NaF PET/CT	174	12	23	3	98.3	65.7	93.4	88.5	92.9
^18F-FDG PET/CT	76	1	34	101	42.9	97.1	98.7	25.2	51.9

TP: true positive; FP: false positive; TN: true negative; FN: false negative.