Table 2.

Statistical parameters of various diagnostic approaches for predicting in patients with seronegative rheumatoid arthritis.

Parameter	AUC(95% CI)	P	Cutoff	Positivelikelihood ratio	Sensitivity	Specificity	PPV	NPV
14-3-3eta	0.90 (0.83–0.96)	<0.001	≥0.33	5.0	88.9%	82.2%	83.3%	88.1%
Anti-CarP	0.43 (0.31–0.55)	0.27	≤1.09	1.03	62.2%	40.0%	54.8%	52.5%
Anti-Sa	0.45 (0.33–0.57)	0.47	≥8.22	1.13	60.0%	46.7%	52.9%	53.8%

PPV, positive predictive value; NPV, negative predictive value.