Parameters Anti-CCP2 Anti-MCV
r       p-value r  p-value
Age 0.264 0.231 0.359 0.65
onset of RA 0.658 0.455 0.236  0.742
Disease Duration 0.633 0.333 0.302 0.561
Number of tender joints 0.222 0.432 0.301 0.543
Number of swollen joints 0.651  0.652 -0.053 0.344
VAS 0.561 0.003** 0.747 0.005**
MS 0.233 0.645 -0.341 0.123
DAS28 0.351  0.001** 0.802     0.001**
HAQ 0.321  0.356 -0.29  0.06
ESR 0.452  0.442 0.029   0.367
CRP 0.568  0.031* 0.084    0.021*
RF 0.529  0.032*  0.560 0.312
ANA 0.333 0.051* 0.651  0.231
Anti-CCP2 (U/ml) -   - 0.483  0.001**
Pearson correlation coefficients between Anti CCP2, Anti MCV R, RF in RA patients.
RF: Rheumatoid Factor; MS: Morning Stiffness; VAS: Visual Analog Scale of Pain; DAS28: Disease activity for 28 joint indices score; HAQ: Health Assessment Questionnaire; ESR: Erythrocyte Sedimentation Rate; CRP: C-Reactive Protein; BMI: Body Mass Index. Anti-CCP2: Antibodies against Cyclic Citrullinated Peptide; Anti-MCV: Antibodies against Mutated Citrullinated Vimentin *Significant **Highly significant
Table 2: Correlations between serums Anti CCP2, Anti MCV and patients’ characteristics