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Table 4 Results of ROC curve analysis

From: Risk factors for sub–therapeutic serum concentrations of magnesium sulfate in severe preeclampsia of Chinese patients

Variables Area under ROC curve Youden index Cut-off Sensitivity/% Specificity/%
Ccr 0.715 0.409 ≥ 133(mL/min) 75.0 65.9
Measurement time 0.650 0.323 ≤2.375(h) 70.7 61.5
  1. Ccr Creatinine clearance, ROC Receiver operating characteristic