Table 2.

C-index and univariate Cox regression analysis (N = 48)

	C-index	95% CI	p value	Hazard ratio	95% CI	p value
BSI	0.68	0.59–0.76	<0.001	1.26	1.13–1.41	<0.001
PET index	0.69	0.60–0.78	<0.001	1.17	1.06–1.29	=0.002
PET15 index	0.70	0.61–0.79	<0.001	2.01	1.43–2.83	<0.001