EJNMMI Research

Table 4 Correlation between serum immunoglobulins vs inflammatory markers and semi-quantitative parameters

From: Semi-quantitative indices of 2-[¹⁸F]FDG PET/CT in assessing cardiovascular and non-cardiovascular manifestations of IgG4-related disease and treatment response

	IgG4		Total IgG
	Spearman’s rho	p value	Spearman’s rho	p value
ESR	− 0.043	0.862	0.740	0.000
CRP	0.363	0.203	0.279	0.334
SUVmax	0.179	0.402	0.374	0.072
MTV	− 0.181	0.396	0.416	0.043
TLG	− 0.193	0.367	0.463	0.023
TBR	− 0.685	0.202	0.686	0.201

Spearman’s rho evaluated the strength of correlation between total serum IgG and IgG4 with ESR, CRP, SUVmax, MTV, TLG, and TBR

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