Table 4.

Odds Ratios for the Association of HLA-C with Disease Phenotype

	Comparison group	Reference group	Odds ratio (CI)	P
HLA-C03	RA	Normal	1.13 (0.57 − 2.26)	0.728
HLA-C04	RA	Normal	0.39 (0.16 − 0.95)	0.035
HLA-C05	RA	Normal	2.92 (1.12 − 7.60)	0.024
HLA-C07	RA	Normal	0.95 (0.50 − 1.83)	0.884
HLA-C03	RA vasculitis	Normal	3.74 (1.54 − 9.08)	0.003
HLA-C04	RA vasculitis	Normal	0.21 (0.05 − 0.99)	0.033
HLA-C05	RA vasculitis	Normal	5.71 (1.95 − 16.72)	0.001
HLA-C07	RA vasculitis	Normal	0.45 (0.19 − 1.09)	0.073
HLA-C03	RA vasculitis	RA	3.31 (1.36 − 8.08)	0.007
HLA-C04	RA vasculitis	RA	0.55 (0.11 − 2.78)	0.719
HLA-C05	RA vasculitis	RA	1.95 (0.77 − 4.95)	0.154
HLA-C07	RA vasculitis	RA	0.47 (0.19 − 1.15)	0.096