Table 2.

Specificity, sensitivity and AUC for RF antibodies and ACPA within RA and non-RA patients

Parameter	Groups
	RA patients		Sensitivity (%)	Non-RA patients		Specificity (%)	AUC (ROC)
	(n = 30)			(n = 40)
	Positive	Negative		Positive	Negative
	(n)	(n)		(n)	(n)
RF-IgA	14	16	46.6	7	33	82.5	0.542
RF-IgM	15	15	50	8	32	80	0.563
Anti-CCP	16	14	53.3	1	39	97.5	0.611
Anti-MCV	26	4	86.6	1	39	97.5	0.920

Positive denotes for values above normal ranges, Negative denotes for values within normal ranges, AUC denotes for area under the ROC curve