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Table 2 Positivity of ANAs and anti-DNA Abs before and after IFX

From: Correlation of antinuclear antibody and anti-double-stranded DNA antibody with clinical response to infliximab in patients with rheumatoid arthritis: a retrospective clinical study

  

Before IFX

After IFX

P value a

ANA

≥ 1:40

83/106

77/94

NS

  

78%

82%

 
 

≥ 1:160

27/106

38/94

0.03

  

25%

40%

 

anti-DNA

≥ 6 U/ml

3/93

21/80

< 0.001

  

3%

26%

 
  1. ANA, antinuclear antibodies; anti-DNAs, anti-ds-DNA antibodies; IFX, infliximab; NS, not significant. aAnalyzed with the Fisher Exact test.