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Table 2 Disease probability according to multiple antibody presence in CTD

From: Multiparametric autoantibody analysis: a new paradigm for the diagnosis of connective tissue diseases

 

Autoantibody combination

Probability (%)

 

Autoantibody combination

Probability (%)

SLE

dsDNA alone

42.3

lcSSc

CENP-B alone

85.3

 

dsDNA+Sm

52.1

 

CENP-B+Fibrillarin

93.3

 

dsDNA+Sm+ U1RNP

96.9

 

CENP-B+Fibrillarin+PM1 alfa

99.1

 

dsDNA+Sm+ U1RNP+Ro60

99.6

 

CENP-B+Fibrillarin+PM1 alfa+U1RNP

99.8

 

dsDNA+Sm+ U1RNP+Ro60+Rib P

99.8

   
 

dsDNA+Sm+ U1RNP+Ro60+Rib P+Ro52

100

dcSSc

Scl70 alone

79.2

    

Scl70+Fibrillarin

87.3

IIM

Jo1 alone

89.1

 

Scl70+Fibrillarin+PM1 alfa

97.4

 

Jo1+MSA

99.7

 

Scl70+Fibrillarin+PM1 alfa+U1RNP

99.2

 

Jo1+MSA+Ro52

100

   
   

lcSSc or dcSSc

RNApIII alone

82.3

pSS

Ro60 alone

42.8

RNApIII +Fibrillarin

86.1

 

Ro60+Ro52

95.6

RNApIII +Fibrillarin+PM1 alfa

96.2

 

Ro60+Ro52+La

98.9

RNApIII +Fibrillarin+PM1 alfa+U1RNP

98.6

  1. SLE systemic lupus erythematosus, SSc systemic sclerosis, lcSSc limited cutaneous SSc, dcSSc diffuse cutaneous SSc, pSS primary Sjögren’s syndrome, IIM idiopathic inflammatory myositis, UCTD undifferentiated connective tissue disease