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ROC curve analysis of serum magnesium levels for the prediction of ED.
Notes: Cutoff value of serum magnesium: ≤1.85 mg/dL. Sensitivity =73.0%, specificity =15.3%. Area under the ROC curve: 0.842, 95% CI: 0.800–0.883, P<0.001.
Abbreviations: ROC, receiver operating characteristic; ED, erectile dysfunction; CI, confidence interval.
