EJNMMI Research

Table 2 C-index and univariate Cox regression analysis (N = 48)

From: 3D skeletal uptake of ¹⁸F sodium fluoride in PET/CT images is associated with overall survival in patients with prostate cancer

	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

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