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

Table 4

Comparison of clinical features between JAS and AAS groups.

	JAS	AAS
Gender (male)	136/145 (93.79%)	306/360 (85.00%)	0.007
Peripheral arthritis	82/145 (56.55%)	87/310 (28.06%)	<0.001
Enthesitis	92/145 (63.45%)	155/310 (50.00%)	0.003
Hip arthritis	55/145 (37.93%)	61/305 (20.00%)	<0.001
Family histories	41/145 (28.28%)	63/310 (20.32%)	0.086
Waxy digitus	2/143 (1.40%)	8/231 (3.46%)	0.230
Iridocyclitis	8/145 (5.52%)	26/310 (8.39%)	0.417