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