TRAIL Death Receptor-4, Decoy Receptor-1 and Decoy Receptor-2 Expression on CD8+ T Cells Correlate with the Disease Severity in Patients with Rheumatoid Arthritis

Table 1 Spearman rho correlation analysis of TRAIL and its receptors present on CD4⁺ T cells isolated from RA patients.

RA-CD4 Spearman's Rho		DR4	DR5	DcR1	DcR2	TRAIL
DR4	correlation Coefficient	1.000	.620(**)	.116	.255	.764(**)
	Sig. (2-tailed)	.	.004	.626	.277	.000
	N	20	20	20	20	20
DR5	correlation Coefficient	.620(**)	1.000	.470(**)	.416	.374
	Sig. (2-tailed)	.004	.	.037	.068	.104
	N	20	20	20	20	20
DcR1	correlation Coefficient	.116	.470(**)	1.000	.639(**)	.086
	Sig. (2-tailed)	.626	.037	.	.002	.718
	N	20	20	20	20	20
DcR2	correlation Coefficient	.255	.416	.639(**)	1.000	.414
	Sig. (2-tailed)	.277	.068	.002	.	.070
	N	20	20	20	20	20
TRAIL	correlation Coefficient	.764(**)	.374	.086	.414	1.000
	Sig. (2-tailed)	.000	.104	.718	.070	.
	N	20	20	20	20	20

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