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The ROC curve of the urine dipstick for proteinuria is derived using ACR. ACR values of (A) ≥300 mg/g and (B) ≥30 mg/g (B) are used as standard reference, yielding AUCs of 0.983 (95% CI, 0.978–0.987) and 0.797 (95% CI, 0.783–0.812), respectively. ACR, albumin/creatinine ratio; AUC, area under the curve; CI, confidence interval; ROC, receiver operating characteristic; tr, trace.
