Fig. 3From: Salivary gland ultrasonography: a highly specific tool for the early diagnosis of primary Sjögren’s syndromeReceiver operator characteristic curves show the diagnostic accuracy of the salivary gland ultrasonography (SGUS) score assigned to the parenchymal inhomogeneity (area under the curve (AUC) = 0.82, 95 % CI 0.74, 0.91) and of the minor salivary gland biopsy (AUC = 0.96, 95 % CI 0.92, 1) for primary Sjögren’s syndromBack to article page