Table 5—

Specificity, sensitivity, positive and negative predictive values, and accuracy for the detection of extrapulmonary lesions and for the detection of image-based malignant extrapulmonary lesions (iML) alone

	CT		PET		PET/CT
	iBL and iML	iML	iBL and iML	iML	iBL and iML	iML
Specificity	80	98	92	98	81	98
Sensitivity	91	18	47	22	100	92
PPV	68	71	74	75	71	89
NPV	95	89	79	89	100	98
Accuracy	83	88	78	89	87	97

Data are presented as %. CT: computed tomography; PET: positron emission tomography; iBL: image-based benign lesions; PPV: positive predictive value; NPV: negative predictive value.