Figure 3: Discrimination between SARD and non-SARD patients using DFS70 and ANA by ELISA. (a) Differentiation of SARD versus non-SARD in all patients () using DFS70. (b) Differentiation of SARD versus non-SARD in all patients () using ANA Screen ELISA. (c) Differentiation of SARD versus non-SARD in all patients () using ANA Screen ELISA and DFS70 Score (ANA ELISA divided by DFS70 CIA).