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Ann Thorac Surg 2002;74:1749
© 2002 The Society of Thoracic Surgeons

Correspondence

Reply

Gary L. Grunkemeier, PhDa, K.Jeanne Zerr, RN, MBAa, Ruyun Jin, MDa

a St. Vincent Hospital,Providence Health System,9155 SW Barnes Rd, Suite 33,Portland, Oregon, 97225, USA

e-mail: ggrunkemeier@providence.org

The first 20% of the full text of this article appears below.

To the Editor:

We thank Mr Nashef and Dr Roques for responding to our editorial and for agreeing with our conclusion. We respond to their comments in order.

We agree with their comments about risk predictability but do not believe that our criticism of a C-index of 0.80 is unfair. The C-index, the area beneath the receiver operating characteristic curve, is widely used to measure the discrimination value of an operative risk model. A receiver operating characteristic curve is derived by considering various death probabilities as potential cut-points for defining a test to identify deaths. It is a plot of the . . . [Full Text of this Article]




This article has been cited by other articles:


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 Ann. Thorac. Surg.Home page
D. M. Shahian, E. H. Blackstone, F. H. Edwards, F. L. Grover, G. L. Grunkemeier, D. C. Naftel, S. A.M. Nashef, W. C. Nugent, and E. D. Peterson
Cardiac Surgery Risk Models: A Position Article
Ann. Thorac. Surg., November 1, 2004; 78(5): 1868 - 1877.
[Abstract] [Full Text] [PDF]


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