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Internal validation of risk models in lung resection surgery: Bootstrap versus training- and-test sampling  Alessandro Brunelli, MD, Gaetano Rocco, MD 

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Presentation on theme: "Internal validation of risk models in lung resection surgery: Bootstrap versus training- and-test sampling  Alessandro Brunelli, MD, Gaetano Rocco, MD "— Presentation transcript:

1 Internal validation of risk models in lung resection surgery: Bootstrap versus training- and-test sampling  Alessandro Brunelli, MD, Gaetano Rocco, MD  The Journal of Thoracic and Cardiovascular Surgery  Volume 131, Issue 6, Pages (June 2006) DOI: /j.jtcvs Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Distribution of the receiver operating characteristic (ROC) areas of each model derived from unit A in 1000 bootstrap samples drawn from unit B. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs ) Copyright © 2006 The American Association for Thoracic Surgery Terms and Conditions


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