Interpreting the concordance statistic of a logistic regression model: relation to the variance and odds ratio of a continuous explanatory variable

Interpreting the concordance statistic of a logistic regression model: relation to the variance and odds ratio of a continuous explanatory variable

<p>Abstract</p> <p>Background</p> <p>When outcomes are binary, the c-statistic (equivalent to the area under the Receiver Operating Characteristic curve) is a standard measure of the predictive accuracy of a logistic regression model.</p> <p>Methods</p>...

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Bibliographic Details
Main Authors: Austin Peter C, Steyerberg Ewout W
Format: Article
Language:English
Published: BMC 2012-06-01
Series:BMC Medical Research Methodology
Subjects:
Logistic regression
c-statistic
Area under the receiver operating characteristic curve
ROC curve
Discrimination
Regression model
Prediction
Predictive model
Predictive accuracy
Online Access:http://www.biomedcentral.com/1471-2288/12/82

Internet

http://www.biomedcentral.com/1471-2288/12/82

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