Fig. 5
From: Prediction of hypotension events with physiologic vital sign signatures in the intensive care unit
Relationship between the detected hypotension subjects (%) and the probability of hypotension after an alert between the stacked model (orange line) and single random forest model (blue line). Detected cases indicate the percentage of hypotension subjects our model successfully predicted as an alert before hypotension. At the risk score threshold of 0.5, the probability of hypotension in the future (positive predictive value) was approximately 0.65 (red dashed arrow), with 92.37% of hypotension events were captured (vertical blue dashed arrow)