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Table 1 Anti-Sa-positive patients with early rheumatoid arthritis have more severe disease

From: Anti-Sa antibodies: prognostic and pathogenetic significance to rheumatoid arthritis

Parameter

Sa+ RA (n = 23)

Sa- RA (n = 83)

Rheumatoid factor positive (%)

83

61

Males (%)

61*

17

Swollen joint count

18 ± 12*

13 ± 9

C-reactive protein (mg/dl)

2.6 ± 3*

1.6 ± 1.4

Erosions (%)

60*

33

No. of DMARDs used

1.4 ± 0.8*

0.9 ± 0.7

Prednisone (mg/d)

4.8 ± 6.0*

1.8 ± 3.3

Inactive disease (%)

0

12

  1. *P < 0.05 compared with anti-Sa-negative rheumatoid arthritis. DMARD, disease-modifying anti-rheumatic drug; RA, rheumatoid arthritis; RF, rheumatoid factor. Errors are shown as standard deviations. Data from [5].
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Arthritis Research & Therapy

ISSN: 1478-6362

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