TABLE 4

Correlation of PSA with Patient-Level SUV Metrics Derived from ¹⁸F-DCFBC (2 Hour) and NaF Uptake at Baseline and Follow-up Imaging, Assessed Using Spearman Correlation Coefficient

	Baseline				Follow-up
	¹⁸F-DCFBC (2 h)		¹⁸F-NaF		¹⁸F-DCFBC (2 h)		¹⁸F-NaF
Metric	ρ	P	ρ	P	ρ	P	ρ	P
N_lesions	0.60	0.001	0.23	0.26	0.55	0.01	0.063	0.79
SUV_max	0.52	0.007	0.27	0.18	0.53	0.013	−0.07	0.77
SUV_mean	0.47	0.018	0.28	0.17	0.55	0.0097	−0.18	0.43
SUV_total	0.58	0.003	0.21	0.30	0.51	0.017	−0.05	0.83

N_lesions = number of detected lesions.