TABLE 2

PALN Detection Results After ¹⁸F-FDG PET (at 40 Minutes Only and After Imaging at Both 40 Minutes and 3 Hours) and CT or MRI

Imaging modality	TP	TN	FP	FN	Sensitivity (%) [95% CI]	Specificity (%) [95% CI]	PPV (%) [95% CI]	NPV (%) [95% CI]	Accuracy (%) [95% CI]
¹⁸F-FDG PET
40-min scan only	31	64	2	7	81.6	97.0	93.9	90.1	91.3
					[65.7–92.3]	[89.5–99.6]	[79.8–99.3]	[80.7–95.9]	[84.2–96.0]
Both 40-min and 3-h scans	38	66	0	0	100.0	100.0	100.0	100.0	100.0
CT or MRI	29	64	2	9	76.3	97.0	93.5	87.7	89.4
					[59.8–88.6]	[89.5–99.6]	[78.6–99.2]	[77.9–94.2]	[81.9–94.6]