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

Table 5

Related serological indicators.

Serum index	Application
RF	RF is the earliest and most common test index used in clinical practice. The test results are fast, stable, reliable, cheap, and the most widely used.
ACPAS	Anti-MCV antibody	Anti-CCP antibody	Anti-APF antibody	Anti-AKA antibody	Anti-AFA antibody	Anti-ACF antibody
	ACPAS is a large class of autoantibodies that have similar chemical structures and directly fight against epitopes of citrulline. They are highly specific for the diagnosis of RA.
GPI	GPI antigen level may become an independent new indicator for diagnosing RA patients and combined inspection with other indicators can effectively reduce missed diagnosis.
Anti-P68 antibody	Combined detection with other indicators can effectively reduce missed diagnosis and has important value for the patient’s disease activity, bone erosion degree, and prognosis judgment.
Anti-RA33 antibody	Positives also have early diagnostic value and predictive value, and joint detection can significantly improve diagnostic efficiency and reduce missed diagnosis.
ANA	The general term for a large class of autoantibodies that extends from the original antinuclear antigen to all antigen components in the cell is an effective method for detecting various autoimmune diseases.