Table 3.

FDG PET/CT metrics and cut-off points for predicting lymphoma in HIV-infected patients

Metric	Cut- off	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	AUC
Single SUL-Max	7.8	89	100	100	92	0.971
TLG	173	89	100	100	92	0.964
Single SUL-Peak	6.6	84	100	100	88	0.964
Glycolytic volume/MTV	53.8	84	100	100	88	0.957
Sum SUL-Peak	23.8	84	95	94	88	0.935
Sum SUL-Max	28.4	84	82	80	86	0.904
Summed CT nodal size	82.6	58	68	61	65	0.671
Single nodal visual score, reader 1	3.5	84	32	52	70	0.581
Sum nodal visual score, reader 1	23.5	53	64	56	61	0.576
Nasopharyngeal region SUL-Max	4.0	42	73	57	59	0.443a

^aNegative class prediction