Table 5.

Patient-based correlation between PSMA-derived tumor volumes and PSA values at different time points

All patients (n = 21)		miPSMA score ∑All lesions	PSMA_TV ∑All lesions	TL_PSMA ∑All lesions	PSMA_TV ∑Prostate	TL_PSMA ∑Prostate	PSMA_TV ∑Lymph nodes	TL_PSMA ∑Lymph nodes	PSMA_TV ∑Bone	TL_PSMA ∑Bone
	Parameter time point	T2	T2	T2	T2	T2	T2	T2	T2	T2
T2 PSA	Correlation coefficient	0.343	0.315	0.504*	0.392	0.456*	0.213	0.244	0.037	0.137

	Parameter time point	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1	T2/T1
T2 PSA	Correlation coefficient	0.604*	0.753**	0.752**	0.564*	0.529*	0.572*	0.548*	0.304	0.513
T2/T1 PSA	Correlation coefficient	0.464*	0.615*	0.620*	0.436*	0.478*	0.169	0.217	0.075	0.304

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