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Table 2 Associations between anti-RgpB IgG (stratified for above the 75th percentile vs below) and the development of RA in pre-symptomatic individuals and RA patients

From: Concentration of antibodies against Porphyromonas gingivalis is increased before the onset of symptoms of rheumatoid arthritis

 

Pre-symptomatic individuals (n = 251)

RA patients (n = 192)

Simple logistic regression

Multiple logistic regression

Simple logistic regression

Multiple logistic regression

Variable

OR (95 % CI)

OR (95 % CI)

OR (95 % CI)

OR (95 % CI)

Anti-RgpB

2.31 (1.41–3.78)

2.24 (1.35–3.71)

2.55 (1.67–4.43)

2.17 (1.28–3.68)

1.20 (0.75–1.92)

1.18 (0.73–1.92)

1.30 (0.77–2.17)

1.22 (0.74–2.00)

Ever smoker

 

1.88 (1.26–2.78)

   

2.14 (1.41–3.26)

  

HLA-DRB1 SE

  

3.58 (2.36–5.42)

   

3.14 (2.05–4.83)

 

PTPN22 1858 T-variant

   

2.17 (1.36–3.48)

   

2.16 (1.33–3.53)

  1. OR odds ratio, CI confidence interval, RA rheumatoid arthritis