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Table 2 Prevalence of periodontitis of rheumatoid arthritis patients compared with the age- and gender-matched control population

From: Periodontitis in established rheumatoid arthritis patients: a cross-sectional clinical, microbiological and serological study

DPSI category

Patients with RA

(n= 95)

Control population

(n= 420)

Pvalue

Relative risk

95% CI

A: No periodontitis, percentage

30

70

< 0.001

  

B: Moderate periodontitis, percentage

43

18

< 0.001

3.6

2.3-5.5

C: Severe periodontitis, percentage

27

12

< 0.001

3.7

2.4-5.9

  1. CI, confidence interval; DPSI, Dutch periodontal screening index; RA, rheumatoid arthritis.
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Arthritis Research & Therapy

ISSN: 1478-6362

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