Using neighborhood gray tone difference matrix texture features on dual time point PET/CT images to differentiate malignant from benign FDG-avid solitary pulmonary nodules

Table 3 The area under the receiver operating characteristics for each feature

Features	AUC^a	Threshold	Sensitivity	Specificity	Accuracy
Delayed Busyness	0.87	0.0460	0.81	0.84	0.82
Delayed Coarseness	0.85	0.0726	0.77	0.84	0.79
Early Busyness	0.75	0.0446	0.75	0.68	0.73
Early SUV_max	0.75	8.43	0.64	0.75	0.68
Delayed SUV_max	0.74	11.42	0.67	0.78	0.70
Early Coarseness	0.72	0.0696	0.75	0.66	0.72
Delayed Contrast	0.63	1154.91	0.68	0.56	0.65
Early Contrast	0.52	1331.21	0.80	0.38	0.68

ISSN: 1470-7330