Table 1.

Correlations between expression intensities of different somatostatin receptors (SST), CXCR4, chromogranin A (CgA), Ki-67 and the maximum standardized uptake values (SUVmax) in SST-PET/CT scans (data were calculated using mean IRS values of each patient; n = 165).

		SST2A	SST3	SST4	SST5	CXCR4	CgA	Ki-67	SUVmax
SST1	r	0.054	0.345	0.221	0.423	0.279	−0.058	0.176	0.155
	p	0.495	<0.001	0.004	<0.001	<0.001	0.461	0.024	0.026
SST2A	r		0.255	−0.087	0.156	0.027	0.348	−0.165	0.393
	p		0.001	0.268	0.046	0.732	<0.001	0.042	<0.001
SST3	r			0.180	0.291	0.130	0.253	0.052	0.004
	p			0.021	<0.001	0.095	0.001	0.505	0.968
SST4	r				0.211	0.264	−0.027	0.093	−0.060
	p				0.006	0.001	0.731	0.235	0.594
SST5	r					0.237	−0.078	0.247	0.119
	p					<0.001	0.322	0.001	0.089
CXCR4	r						−0.173	0.262	0.084
	p						<0.001	0.001	0.455
CgA	r							−0.183	0.003
	p							<0.001	0.977
Ki-67	r								0.034
	p								0.760

Significant correlations (p < 0.05) are marked in bold; r: correlation coefficient (Spearman); p: p value.