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Table 2 Association between anti-SmD3 peptide positivity and other autoantibody species in systemic lupus erythematosus

From: Identification of a SmD3 epitope with a single symmetrical dimethylation of an arginine residue as a specific target of a subpopulation of anti-Sm antibodies

 

Autoantibody to

 

U1-68 kD

U1-A

U1-C

SmBB'

SmD

Ro-52

Ro-60

La

histone

dsDNA

β2-Glycoprotein

SMP positive

8/16

12/25

11/26

11/22

11/16

5/22

12/48

4/22

10/38

13/51

4/16

Percentage

50%

48%

42.3%

50%

68.8%

22.7%

25%

18.2%

26.3%

25.5%

25%

P

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

0.4034

0.0143

0.8747

0.0259

0.0058

0.3891

χ2statistic

15.42*

25.49*

18.05*

24.04*

38.76*

0.7

6.0

0.02

4.96

7.6*

0.74

  1. * χ2 test: statistically significant (χ2 > 7).
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Arthritis Research & Therapy

ISSN: 1478-6362

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