Fig. 3From: Utility of untimed single urine protein/creatinine ratio as a substitute for 24-h proteinuria for assessment of proteinuria in systemic lupus erythematosusReceiver operating characteristic (ROC) curve for best cutoff of untimed samples of urine protein/creatinine ratio using binary protein content in a 24-h urine collection sample (24hP) as the gold standard (24hP cutoff 0.5Â g/day)Back to article page