Comprehensive Medical System for Early Diagnosis of Rheumatoid Arthritis Based on Autoimmune Antibodies

Table 4

Sensitivity and specificity of serum markers in RA.

Index	Sensitivity	Specificity	Positive predictive value	Negative predictive value
Anti-MCV antibody	82.9%	81.8%	85.5%	78.8%
GPI antigen	76.3%	95.7%	93.7%	72.7%
Anti-CCP antibody	78.6%	89.5%	90.1%	75.5%
RF	73.5%	68.2%	78%	65.3%
Anti-CCP antibody+RF	76.7%	88.1%	96.5%	76%
Anti-MCV antibody+RF	69.8%	86%	96.6%	70.9%
Anti-CCP antibody+GPI antigen+RF	39%	79.3%	100%	55.2%