TABLE 4

Results of Univariate Cox Regression Analysis

Variable	P	Hazard ratio^{^*}	95% CI of hazard ratio
SUV_max	0.013	1.23	1.04–1.45
¹⁸F-FDG better than ¹²³I-MIBG	0.009	6.67	1.62–27.55
¹⁸F-FDG equivalent to ¹²³I-MIBG vs. ¹⁸F-FDG inferior to ¹²³I-MIBG (reference level)	0.17	2.3	0.69–7.62
	Overall 0.03^†
¹⁸F-FDG skeletal score	0.002	1.15	1.05–1.25
Age	0.25
¹²³I-MIBG skeletal score	0.27
¹²³I-MIBG–positive soft-tissue lesions	0.7
¹⁸F-FDG–positive soft-tissue lesions	0.5