Hepatic vein Doppler in critically ill patients: a reflection of central venous pressure or right ventricular systolic function?

Table 3 ROC curve analysis

Categories	AUC	95%CI	p	Optimum cutoff	Sen	Spe	PPV	NPV
For detection of CVP ≥10
SFF (%)	0.513	0.420–0.606	0.775	60.6	40.7	60.7	27.2	74.0
IVCD (mm)	0.685	0.604–0.766	< 0.001	18.9	61.1	68.0	40.6	82.9
For detection of RV systolic dysfunction
SFF (%)	0.759	0.686–0.833	< 0.001	54.5	62.7	81.8	70.2	76.1
IVCD (mm)	0.602	0.522–0.683	0.013	18.7	50.6	66.1	50.6	59.9

ROC receiver operating characteristic curve, AUC area under curve, PPV positive predictive value, NPV negative predictive value, SFF hepatic vein filling fraction, IVCD diameter of inferior vena cava, CVP central venous pressure

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