Clinical Features in Juvenile-Onset Ankylosing Spondylitis Patients Carrying Different B27 Subtypes

Table 1

Distribution of patients with different B27 subtype and B27-negative in JAS and AAS groups.

	JAS	AAS
HLA-B27-negative	11/145 (7.59%)	41/360 (11.39%)	1.000
HLA-2704	120/145 (82.76%)	275/360 (76.39%)	1.000
HLA-2705	11/145 (7.59%)	38/360 (10.56%)	1.000
HLA-2715	3/145 (2.07%)	3/360 (0.83%)	1.000
HLA-2702	0/145 (0)	3/360 (0.83%)	0.561