Fig. 1From: Neuropsychiatric manifestations and magnetic resonance spectroscopy of the brain in systemic lupus erythematosus patientsA Receiver operating characteristic (ROC) curve for NAA/Cr and mI/Cr for differentiating active and inactive SLE. B ROC curve for Cho/Cr and anti-ribosomal P titer for differentiating active and inactive SLE (n = 50)Back to article page