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Table 1 Descriptive data of the pre-symptomatic individuals, patients with RA and controls

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

 

Pre-symptomatic individualsa (n = 251)

RA patients (n = 192)

Controls (n = 198)

Female sex, n (%)

193 (76.9)

144 (75.0)

167 (84.3)

Age, mean ± SD years

50.5 (11.9)b

56.5 (11.3)

49.3 (14.8)

Ever smoker, n (%)

160/250 (64.0)

129 (67.2)

89/181 (49.2)

HLA-DRB1 SE positivec, n (%)

166/250 (66.4)

122/192 (63.5)

61/171 (35.7)

PTPN22 1858 T carrier, n (%)

86/250 (34.4)

63 (32.8)

32/173 (18.5)

  1. aPre-symptomatic individuals were defined as individuals before the onset of symptom of RA
  2. bMean age, as calculated for all samples when collected, pre-symptomatic individuals: n = 422
  3. c HLA-DRB1 shared epitope (SE) alleles were defined as 0101/0401/0404/0405/0408
  4. RA rheumatoid arthritis, SD standard deviation
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Arthritis Research & Therapy

ISSN: 1478-6362

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