Table 2.

Correlations of frequency of different activated CD8+ T-cell subpopulations with laboratory parameters of MAS activity/severity and circulating levels of the MAS/HLH biomarkers CXCL9 and IL-18

CD8+ T cell subsetSpearman correlation (r), P-value (P)FerritinHemoglobinNeutrophilsPlateletsASTLDHTriglyceridesFibrinogenCXCL9IL-18
CD38high/HLA-DR+CD8+
 
r 0.60 −0.68 0.055 0.008 0.43 0.74 0.49 −0.52 0.41 0.68 
P .02 .009 .85 .97 .13 .003 .07 .056 .14 .009 
CD4dimCD8+ r 0.55 −0.50 −0.14 −0.23 0.65 0.8 0.73 −0.73 0.59 0.58 
P .046 .07 .62 .41 .013 .001 .004 .004 .02 .03 
CD8+ T cell subsetSpearman correlation (r), P-value (P)FerritinHemoglobinNeutrophilsPlateletsASTLDHTriglyceridesFibrinogenCXCL9IL-18
CD38high/HLA-DR+CD8+
 
r 0.60 −0.68 0.055 0.008 0.43 0.74 0.49 −0.52 0.41 0.68 
P .02 .009 .85 .97 .13 .003 .07 .056 .14 .009 
CD4dimCD8+ r 0.55 −0.50 −0.14 −0.23 0.65 0.8 0.73 −0.73 0.59 0.58 
P .046 .07 .62 .41 .013 .001 .004 .004 .02 .03 

Statistically significant correlations (P < .05) and the respective Spearman correlation coefficient are italic.

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