Lack of association between the chemokine receptor 5 polymorphism CCR5delta32 in rheumatoid arthritis and juvenile idiopathic arthritis

Table 1 CCR5 genotype and allele frequencies among controls, RA patients and JIA patients

	Controls no. (%)	RA no. (%)	OR (95% CI)	p	JIA no. (%)	OR (95% CI)	p
CCR5 genotype
Δ32/Δ32	6 (0.9)	9 (1.0)	1.13 (0.43–2.98)	0.81	3 (0.6)	0.67 (0.20–2.31)	0.53
Δ32/wt	136 (21.1)	156 (18.7)	0.86 (0.66–1.11)	0.24	93 (18.1)	0.83 (0.62–1.11)	0.20
wt/wt	503 (78.0)	671 (80.3)	1.15 (0.89–1.48)	0.28	419 (81.4)	1.23 (0.92–1.64)	0.16
CCR5 allele
Δ32	148 (11.5)	174 (10.4)	0.90 (0.71–1.13)	0.35	99 (9.7)	0.82 (0.63–1.07)	0.15
wt	1142 (88.5)	1498 (89.6)			931 (90.4)

RA: rheumatoid arthritis; JIA: juvenile idiopathic arthritis; N: number of individuals/chromosomes with the denoted genotype/allele; OR (95% CI): Odds ratio with corresponding 95% confidence interval; wt: wild type; Δ32: 32 bp deletion.

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