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Fig. 3 | Arthritis Research & Therapy

Fig. 3

From: Salivary anti-nuclear antibody (ANA) mirrors serum ANA in systemic lupus erythematosus

Fig. 3

Quantification of salivary ANA isotypes in SLE, using ELISA. A Salivary IgM-ANA, B salivary IgG-ANA, and C IgM-ANA each was significantly higher in SLE than in HC, irrespective of SLE disease status (less active SLE, n = 38; active SLE, n = 32; HC, n = 10). D–F ROC analysis indicated that each ANA isotype discriminated SLE from HC. HC, healthy controls; Sen., sensitivity; Spec., specificity. *P < 0.05, **P < 0.01, ***P < 0.001. AUC = Area under (ROC) curve

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