. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: Am J Cardiol. 2011 Dec 10;109(5):705–711. doi: 10.1016/j.amjcard.2011.10.031

Table 4. Performance of the Model Predicting Patients With High Costs in the Year After the Index Admission.

Performance Measure	High-Cost Prediction Threshold
	Upper 5%	Upper 10%	Upper 25%
No. of patients	2015	4031	10,079
Sensitivity, %	22.6	37.4	63.1
False-positive rate, %	4.1	8.5	23.0
Positive predictive value, %	22.8	18.8	12.7
Mean actual cost ± SD - predicted high, $	49,986 ± 52,879	44,733 ± 49,214	35,225 ± 42,066
Mean actual cost ± SD - predicted low, $	20,658 ± 28,178	19,612 ± 26,582	17,757 ± 24,091
Area under the curve		0.778