Performance characteristics of the simple clinical rule to predict heart failure in individual presenting with symptoms suggestive of heart failure

Cut-point greater than or equal toSensitivity (%)Specificity (%)LR+Pre-test probabilityPost-test probability
0100013030
296.219.81.203034
392.332.71.373037
579.862.92.153048
660.676.72.603053
759.676.72.563052
853.880.72.793054
935.691.14.003063
1030.894.15.223069
1119.298.512.83085
138.7100> 20-> 90
146.7100> 20-> 90
162.9100> 20-> 90
*

note: because of division by zero, calculations cannot be made for the last 3 rows

LR+ positive likelihood ratio

From: Appendix E, Clinical Evidence Tables

Cover of Chronic Heart Failure
Chronic Heart Failure: National Clinical Guideline for Diagnosis and Management in Primary and Secondary Care: Partial Update [Internet].
NICE Clinical Guidelines, No. 108.
National Clinical Guideline Centre (UK).
Copyright © 2010, National Clinical Guideline Centre.

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