Coexistence of Axial Spondyloarthritis and Idiopathic Inflammatory Myopathy

Table 1

Clinical characteristics of axSpA.

Patients	1	2	3	4	5	6	7
Gender	Male	Female	Male	Female	Female	Female	Male
Onset age of axSpA (years)	22	29	39	32	30	30	16
Low-back pain	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Peripheral arthritis	Yes	No	Yes	No	No	Yes	No
Iritis	Yes	No	Yes	No	Yes	No	No
Family history of axSpA	Yes	Yes	No	Yes	No	No	No
ESR (mm/h)	2	4	15	3	7	42	14
CRP (normal <0.8 mg/L)	0.258	0.622	1.33	0.151	0.241	0.274	1.84
HLA-B27	Yes	Yes	Yes	Yes	No	No	No
CT/MRI	Grade 4	Grade 3	Grade 2	Grade 3	Grade 2	Grade 2	Grade 3
BASDAI at the IIM onset	3.8	3.4	3.9	1.5	2.8	4.8	0.6
Treatment	THD	IFX	Etanercept, SSZ	NSAIDs	NSAIDs	NSAIDs	NSAIDs

BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; THD: thalidomide; IFX: infliximab; SSZ: sulfasalazine; NSAIDs: nonsteroidal anti-inflammatory drugs.