Critical Care Research and Practice / 2012 / Article / Tab 3

Research Article

Pulmonary Artery Catheter (PAC) Accuracy and Efficacy Compared with Flow Probe and Transcutaneous Doppler (USCOM): An Ovine Cardiac Output Validation

Table 3

ROC area under the curve (AUC) values for detection of increased and decreased percentage changes of CO relative to FP where is significance of difference between the two measures. An AUC of 1 represents perfect sensitivity, 0.7 represents clinically acceptable sensitivity to change, while 0.5 is a random relationship.

−40%−30%−20%−15%−10%−5%+5%+10%+15%+20%+30%+40%

PAC0.8550.8110.6350.5490.5340.4960.5240.5850.6310.6590.6310.621
USCOM0.8970.8810.8850.8570.8420.7140.7080.7540.8120.8140.7900.897
0.450.30.0040.0000.0000.0000.0000.0050.010.040.0940.06

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