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Table 2 Serum levels of anti-CFFCP and anti-CCP2 antibodies in the sera of RA and non-RA populations with values above the cut-off point

From: Diagnostic and prognostic value of antibodies against chimeric fibrin/filaggrin citrullinated synthetic peptides in rheumatoid arthritis

   CFFCP1 CFFCP2 CFFCP3 CCP2
  n No. positive Mean (Std) No. positive Mean (Std) No. positive Mean (Std) No. positive Mean (Std)
RA 322 232 1.58 (1) 251 1.61 (1.08) 230 1.70 (1.04) 238 842 (605)
SLE 119 11 0.73 (0.86) 11 0.78 (0.86) 9 0.95 (1.11) 9 205 (305)
HCV 84 12 0.34 (0.08) 2 0.66 (0.08) 2 0.41 (0.05) 1 46
PsA 133 6 0.52 (0.41) 13 0.39 (0.38) 2 1 (0.61) 4 120 (84)
BD 307 6 0.66 (0.45) 6 0.59 (0.45) 6 0.72 (0.52) 6 67 (37)
  1. No = total number of patients; No. positive = number of positive patients; Std = standard deviation. Statistical differences were observed between RA and non-RA serum levels (P < 0.001).