Extravascular manifestations of Takayasu arteritis: focusing on the features shared with spondyloarthritis

Table 3 Characteristics of the 19 Takayasu arteritis patients with axial arthritis (sacroiliitis)

Characteristic	N = 19
Age (years), mean (± SD)	38.9 (± 14.9)
Sex
Male	2 (10.5%)
Female	17 (89.5%)
HLA-B27 (N^a = 7)	1 (14.3%)
Sacroiliitis meeting 1984 modified New York criteria^b for AS	13 (68.4%)
Peripheral arthritis	3 (15.8%)
Enthesitis	1 (5.3%)
Inflammatory bowel disease	1 (5.3%)
Uveitis	1 (5.3%)
Hata’s classification
Type I	3 (15.8%)
Type IIA	2 (10.5%)
Type IIB	7 (36.8%)
Type III	1 (5.3%)
Type IV	0 (0.0%)
Type V	6 (31.6%)

Data presented as n (%) unless stated otherwise
SD standard deviation, AS ankylosing spondylitis
^aPatients with missing data excluded
^bRadiologic criteria of the 1984 modified New York criteria [24]: sacroiliitis grade ≥ 2 bilaterally or grade 3–4 unilaterally

ISSN: 1478-6362