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Table 1 Demographic and clinical features of the study patients

From: Analysis of bacterial DNA in synovial tissue of Tunisian patients with reactive and undifferentiated arthritis by broad-range PCR, cloning and sequencing

Diagnosis (patients; n = 28)

Median disease duration (months [range])

Actual age or median age (years [range])

Sex or sex ratio (M/F)

Clinical details

ReA (n = 6)

2 (1–6)

35 (20–50)

5:1

 

   1

 

28

M

Sexually acquired ReA;Ct IgG positive serologya; Ct-positive PCRb

   2

 

22

M

Sexually acquired ReA; Ct IgG positivea

   3

 

40

F

Sexually acquired ReA; Ct IgG positive serologya

   4

 

20

M

Sexually acquired ReA; Ct IgG positive serologya; B27+c

   5

 

50

M

Sexually acquired ReA; Ct IgG positive serologya; Ct positive PCRb; B27+

6

 

30

M

Sexually-acquired ReA; Ct IgG positive serologya

UA (n = 9)

25 (2–60)

40 (22–59)

5:4

-

RA (n = 7)

66 (12–228)

44 (39–53)

2:5

-

OA (n = 6)

14 (12–24)

58 (44–70)

5:1

-

  1. aSerology positivity was determined by microimmunofluorescence assay. bChlamydia PCR in genital swabs was determined by Cobas Amplicor PCR assay (Roche Diagnostics Molecular Systems, Inc, CA, USA). cHLA-B27 positivity was determined using a microcytotoxicity assay. Ct, Chlamydia trachomatis; RA, rheumatoid arthritis; ReA, reactive arthritis; OA, osteoarthritis; UA, undifferentiated arthritis.