What and how should we measure in paediatric oncology FDG-PET/CT? Comparison of commonly used SUV metrics for differentiation between paediatric tumours

EJNMMI Research

Table 5 Correlation matrix displaying Pearson correlations across tumour SUVs/SUV_ratios and reference region SUVs

	SUV_max	SUV_peak	SUV_liver	SUV_mediastinum	SUV_max/liver	SUV_{max/mediastinum}	SUV_peak/liver
SUV_peak	0.986***
SUV_liver	0.414**	0.399**
SUV_mediastinum	0.300*	0.299*	0.864***
SUV_max/liver	0.684***	0.689***	(0.295)*	(0.310)*
SUV_{max/mediastinum}	0.690***	0.672***	(0.212)	(0.393)**	0.930***
SUV_peak/liver	0.663***	0.696***	(0.282)*	(0.281)*	0.984***	0.890*
SUV_{peak/mediastinum}	0.692***	0.704***	(0.208)	(0.363)**	0.948***	0.981***	0.941***

*p < 0.05; **p < 0.01; ***p < 0.001. Numbers in parenthesis represent negative associations