Table 3

Characteristics of the patients with chronic disease

						ESR
Patient No	Treatment group	Sex	Age	HLA-B27 +/−	Triggering microbe	BL	PS	Imaging	Clinical diagnosis at the end	Antibodies present
F, female; M, male; UD, undefined; ESR, erythrocyte sedimentation rate; BL, baseline of the original study; PS, present study; MRI, magnetic resonance imaging; Rtg, radiological finding; Sci, abdominal scintigraphic finding; ND, not done; SI, sacroiliac; OA, osteoarthrosis; IBP, inflammatory back pain; ReA, reactive arthritis; AS, ankylosing spondylitis
1	P	M	25	+	Salmonella	60	2	MRI: bilateral sacroiliitis	IBP	No
								Sci: mild inflammation
2	P	M	25	+	UD	52	2	ND	Unilateral Achilles tendinitis	ND
3	P	M	30	+	Salmonella	58	12	MRI: bilateral sacroilitis	Chronic ReA	IgM +/−
								Sci: normal	IBP	IgG +/−
4	P	F	37	+	Salmonella	92	24	MRI: unilateral sacroiliitis	IBP	No
5	P	F	46	+	Salmonella	92	14	Sci: normal	Recurrent uveitis	No
6	P	F	36	−	Yersinia	104	22	Sci: normal	Chronic ReA	IgG +
7	P	M	34	+	Campylobacter	100	21	Rtg: bilateral sacroliitis, vertebral squaring, syndesmophytes	AS	IgM +/−
8	P	F	40	+	Campylobacter	23	16	Rtg: OA of lumbal spine	Recurrent uveitis	IgM +
								MRI: SI joints normal	IBP	IgA +
								Sci: mild inflammation		IgG +
9	P	F	29	+	Salmonella	20	3	ND	Recurrent uveitis	No
10	P	M	30	+	Salmonella	46	13	Rtg: bilateral sacroiliitis, vertebral squaring	AS	No
11	P	M	51	+	Campylobacter	58	7	ND	Unilateral Achilles tendinitis	IgM +/−, IgA ++, IgG ++
12	C	F	65	−	Salmonella	18	4	Rtg: lumbar disc degeneration, SI joints normal	Seronegative polyarthritis	IgG +
								Sci: normal
13	C	M	44	−	Campylobacter	49	35	Rtg: SI joints normal	Psoriatic arthritis	IgG +/−