The remodeling of metabolic brain pattern in patients with extracranial diffuse large B-cell lymphoma

EJNMMI Research

Table 2 Correlation between the parameters of brain FDG uptake and indicators for lymphoma assessment

Parameters	Pearson correlation coefficients				Spearman correlation coefficients
Parameters	Z score	Lg(TMTV)	Lg(TLG)	^#SUV_max	^#SUV_mean	^†Staging	IPI	5-PS
Brain SUV_max	− 0.560***	− 0.345**	− 0.266*	ns	ns	− 0.312*	− 0.442***	ns
Brain SUV_mean	− 0.612***	− 0.375**	− 0.279*	ns	ns	− 0.305*	− 0.419**	ns
TBG	− 0.595***	− 0.402**	− 0.302*	ns	0.257*	− 0.293*	− 0.426**	− 0.267*

5-PS = Deauville 5-PS; IPI = international prognostic index; TBG = total brain glycolysis; TLG = total lesion glycolysis; TMTV = total metabolic tumor volume and ns = no significant; ^† Ann Arbor staging; ^# SUV of tumor; *P < 0.05; **P < 0.01 and ***P < 0.001