High prevalence of spondyloarthritis and ankylosing spondylitis among familial Mediterranean fever patients and their first-degree relatives: further evidence for the connection

Table 2 Characteristics of patients with both familial Mediterranean fever (FMF) and ankylosing spondylitis

Patient number	FMF/FDR	Clinical criteria of mNY	Arthritis	Enthesitis	Uveitis	MEFV typing	HLA-B27 typing
1	FMF	Yes	Yes	Yes	No	M694V/M680I	Negative
2	FMF	Yes	Yes	Yes	No	M694V/V726A	Negative
3	FMF	Yes	Yes	Yes	No	M694V/M694V	Negative
4	FMF	Yes	No	No	No	M680I/V726A	Negative
5	FMF	Yes	Yes	Yes	No	M694V/M694V	Negative
6	FMF	Yes	No	No	No	M694V/M680I	Negative
7	FMF	Yes	Yes	No	No	M694V/M694V	Negative
8	FMF	Yes	Yes	No	No	M694V/M694V	ND
9	FMF	Yes	No	Yes	No	M694V/M694V	ND
10	FMF	Yes	Yes	No	No	M694V/M694V	Negative
11	FMF	Yes	No	Yes	No	M694V/W	Negative
12	FMF	Yes	Yes	Yes	No	M694V/M694V	Negative
13	FMF	Yes	Yes	No	No	M694V/M694I	Negative
14	FMF	Yes	No	Yes	No	M694V/M694V	Negative
15	FMF	Yes	Yes	No	No	M694V/M694V	Negative
16	FDR	Yes	Yes	Yes	No	W/W	Negative
17	FDR	Yes	No	No	No	ND	Negative
18	FDR	Yes	No	No	No	ND	Negative
19	FDR	Yes	No	No	No	ND	ND
20	FDR	Yes	Yes	No	Yes	M694V/W	ND
21*	FDR	Yes	No	No	No	NA	NA
22	FDR	Yes	No	No	No	ND	ND
23	FDR	Yes	No	No	No	ND	ND
24	FDR	Yes	No	No	No	ND	ND
25	FDR	Yes	No	No	No	ND	ND

*Patient identified by medical record review. FDR, first-degree relative; M, male; F, female; ND, not done; NA, not available; mNY, modified New York.

ISSN: 1478-6362