TABLE 2.

The Threshold and Its Associated AUC, Sensitivity, and Specificity in Determining 1-Yr RSS PFS

	Percentage change between baseline and first post-treatment follow-up				Percentage change between baseline and second post-treatment follow-up				Percentage change between first and second follow-ups
	Threshold (%)	AUC	Sensitivity (%)	Specificity (%)	Threshold (%)	AUC	Sensitivity (%)	Specificity (%)	Threshold (%)	AUC	Sensitivity (%)	Specificity (%)
All tumors (n = 142)	−0.22	0.81	76.5	75.2	14.7	0.90	76.5	93.6	9.43	0.7	52.9	90.4
Small tumors (GTV < 2cc; n = 47)	42	0.81	60	100	71.3	0.89	80	97.6	37.2	0.77	60	90.5
Medium tumors (2 ≤ GTV ≤ 8.3 cc; n = 47)	−0.26	0.76	66.7	78.0	0.79	0.84	83.3	75.6	9.4	0.65	50	92.7
Large tumors (GTV > 8.3 cc; n = 48)	0.64	0.89	100	73.8	13.3	0.97	100	95.2	11.8	0.66	50	100

Abbreviations: AUC, associated area under the receiver operator curve; GTV, gross tumor volume.