Table 4.

The AUC of different measurement indexes.

Measurement Indexes	AUC	95s CI	P-value	Cutoff point
IVA	0.787	(0.674–0.900)	<0.01	4.5
Tumor size
Medium–Large	0.748*	(0.641–0.883)	0.005	43.50
IVA + Tumor size	0.831	(0.729–0.933)	<0.01	–

^*the AUC was calculated by shifting the state variable as “not improved”.