Diabetes Care
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Diabetes Care 26:1659, 2003
© 2003 by the American Diabetes Association, Inc.

Letters: Comments and Responses
Letter

A Multivariate Logistic Regression Equation to Screen for Diabetes

Response to Roze, Palmer, and Valentine

Bahman P. Tabaei, MPH1 and William H. Herman, MD, MPH1,2

1 Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan
2 Department of Epidemiology, University of Michigan Health System, Ann Arbor, Michigan

We would like to thank Roze, Palmer, and Valentine (1) for their careful reading of our article (2) entitled "A multivariate logistic regression to screen for diabetes: development and validation." The estimated probability formula for the logistic regression model was indeed misprinted with a minus sign. The correct estimated probability formula is:

P = 1/(1 + e-x), where x = -10.0382 + [0.0331 (age in years) + 0.0308 (random plasma glucose in mg/dl) + 0.2500 (postprandial time assessed as 0 to 8+ hours) + 0.5620 (if female) + 0.0346 (BMI)].

Footnotes

Address correspondence to William H. Herman, MD, MPH, University of Michigan Health System, Division of Endocrinology and Metabolism, 1500 East Medical Center Dr., 3920 Taubman Center, Ann Arbor, MI 48109-0354. E-mail: wherman{at}umich.edu.

References

  1. Roze S, Palmer AJ, Valentine WJ: A multivariate logistic regression equation to screen for diabetes (Letter). Diabetes Care 26:1658–1659, 2003[Free Full Text]
  2. Tabael BP, Herman WH: A multivariate logistic regression equation to screen for diabetes. Diabetes Care 25:1999–2003, 2002[Abstract/Free Full Text]

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This Article
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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
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