Table 6.

Lesion-based correlation of PSA values and PSMA parameters at different time points

All lesions (n = 109)		Score	SUVmax	SUVmax-LN	SUVmean	SUVmean -LN	PSMA-TV	TL-PSMA	TL-PSMA-LN
	Parameter time point	T1	T1	T1	T1	T1	T1	T1	T1
T1 PSA	Correlation coefficient	0.172	0.243*	0.233*	0.264*	0.247*	− 0.103	0.051	0.038

Parameter time point		T2	T2	T2	T2	T2	T2	T2	T2
T2 PSA	Correlation coefficient	0.463**	0.460**	0.453**	0.466**	0.461**	0.424**	0.442**	0.435**

Parameter time point		T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1
T2/T1 PSA	Correlation coefficient	0.185	0.167	0.175	0.177	0.186	0.154	0.197*	0.202*
T2 PSA	Correlation coefficient	0.472**	0.464**	0.478**	0.469**	0.478**	0.501**	0.520**	0.528**

LN: Intraindividual liver correction [value divided by hepatic SUV_mean]

^*p < 0.05; **p < 0.001. All significant correlation coefficients are indicated bold