TABLE 4.

Pearson Correlation Coefficient and P Value for Correlation of OD and 4-Tier Rating with Different Imaging Parameters^*

			AR
	PSMA OD		OD		4-tier rating
Imaging parameter	Pearson r^†	P	Pearson r^†	P	Pearson r^†	P
SUV_max	0.60 (−0.05 to 0.89)	0.068	0.64 (0.02 to 0.91)	0.045	0.73 (0.19 to 0.93)	0.016
SUV_mean	0.37 (−0.34 to 0.81)	0.298	0.17 (−0.52 to 0.72)	0.644	0.10 (−0.57 to 0.68)	0.790
SUV_peak	0.56 (−0.11 to 0.88)	0.096	0.34 (−0.37 to 0.80)	0.343	0.28 (−0.42 to 0.77)	0.427
SUV_max/SUV_background	0.61 (−0.03 to 0.90)	0.061	0.72 (0.17 to 0.93)	0.019	0.80 (0.34 to 0.95)	0.005
SUV_mean/SUV_background	0.09 (−0.57 to 0.68)	0.814	0.45 (−0.25 to 0.84)	0.193	0.47 (−0.23 to 0.85)	0.176
SUV_peak/SUV_background	0.38 (−0.33 to 0.81)	0.285	0.64 (0.02 to 0.91)	0.047	0.66 (0.05 to 0.91)	0.038

↵* Correlation with 4-tier rating was not investigated for PSMA because protein expression was rated same in all patients.
↵† Values in parentheses are 95% CIs.