Urinary Metabolomics Study of Patients with Gout Using Gas Chromatography-Mass Spectrometry

Figure 4

(a) The levels of isoxanthopterin in the urine samples from gout patients and controls, (b) the levels of urate in the urine samples from gout patients and controls, (c) probability of gout patients and controls based on the combination of urine urate and isoxanthopterin, and (d) ROC analysis for the diagnosis of gout using the combination of urate and isoxanthopterin (AUC=0.879).

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