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Table 1 Characteristics of ACPA-positive SLE patients

From: False positivity of rheumatoid factor and antibodies to citrullinated peptides in systemic lupus erythematosus

  RF (titre) Anti-CCP2 (U/ml; cut-off 25 U/ml) Anti-pepA Anti-pepB ANA fine reactivities
1 1280 186 + + Ro60, SSB
2 0 28 - - SmB, SmD, histones, dsDNA
3 640 9 - + RNP-C
4 0 168 - - dsDNA
5 0 53 - - SmB, dsDNA
6 80 2 - + Histones, dsDNA
7 0 76 - - SmB, RNP-A, RNP-C, RiboP, histones
8 40 64 - - SmD, SmB, RNP-70k, RNP-C, RiboP
9 0 58 - - -
10 320 110 - - SmB, RNP-70k, RNP-A, RNP-C, Histones, dsDNA
11 0 28 - - -
12 0 36 - - -
13 320 78 + + SmB, RNP-70k, RNP-A, RNP-C
14 80 56 - - RNP-A, RiboP, Histones
15 640 52 - - RNP-70k, RNP-A
16 320 1600 + + Ro60