Sample size calculation to externally validate scoring systems based on logistic regression models.

A sample size containing at least 100 events and 100 non-events has been suggested to validate a predictive model, regardless of the model being validated and that certain factors can influence calibration of the predictive model (discrimination, parameterization and incidence). Scoring systems base...

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Bibliographic Details
Main Authors: Antonio Palazón-Bru, David Manuel Folgado-de la Rosa, Ernesto Cortés-Castell, María Teresa López-Cascales, Vicente Francisco Gil-Guillén
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5411086?pdf=render