Table 3

Statistical differences in IgG1 or IgG3 levels between SpA patients (n = 39) and healthy controls (n = 39) against six different antigens

Antigen

IgG1

IgG3


2006

2010

2006

2010


Human HSP60

0.0082**

0.0004***

0.0001***

0.0022**

Salmonella enterica Enteritidis HSP60

0.0008***

0.0002***

0.8455

0.2782

Chlamydia trachomatis HSP60

0.9164

0.7453

0.0932

0.8338

Campylobacter jejuni HSP60

0.0451

0.1109

0.9482

0.5587

Chlamydia pneumoniae

0.3738

0.4211

0.0892

0.3748

Chlamydia trachomatis

0.0089**

0.0786

0.2693

0.4010


SpA: spondyloarthritis, HC: healthy control. The Mann-Whitney rank-sum test was used to compare the SpA cohort group (2006 and 2010) with healthy controls. Ig, immunoglobulin. ***P < 0. 001. **P < 0.01.

Carlsen et al. Arthritis Research & Therapy 2013 15:R61   doi:10.1186/ar4234

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