Table 1.

The influence of HLA genotype on clinical subphenotype

	HLA Genotype
	B*08:01:01		B*27:05:02		C*06:02
Clinical subphenotype	OR	P	OR	P	OR	P
Asymmetric sacroiliitis	1.97	0.008	0.49	0.07	0.54	0.36
Symmetric sacroiliitis	0.049	0.07	4.16	<0.001	0.47	0.053
Enthesitis	0.81	0.33	3.65	<0.001	1.09	0.68
Dactylitis	1.57	0.019	1.97	0.014	0.67	0.04
Nail disease	2	0.003	0.95	0.86	0.52	0.002

OR: odds ratio. Results were considered significant (bold) when P<0.05.