You are seeing this message because your Web browser does not support basic Web standards. Find out more about why this message is appearing and what you can do to make your experience on this site better.


ABOUT JAMA
Advanced Search

Welcome   | My Account | E-mail Alerts | Access Rights | Sign In


  Vol. 298 No. 23, December 19, 2007 TABLE OF CONTENTS
  JAMA
  •  Online Features
  Letters
 This Article
 •Full text
 •PDF
 •Send to a friend
 • Save in My Folder
 •Save to citation manager
 •Permissions
 Citing Articles
 •Contact me when this article is cited
 Related Content
 •Related letter
 •Related article
 •Similar articles in JAMA
 Topic Collections
 •Quality of Care
 •Quality of Care, Other
 •Statistics and Research Methods
 •Randomized Controlled Trial
 •Alert me on articles by topic
 Social Bookmarking
  Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit Add to Technorati Add to Twitter What's this?

Using Clinical Trial Summary Results to Establish Quality Measures—Reply

Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

In Reply: Ms Yap and Dr Yap raise an important point: overreliance on the summary results of clinical trials leads to performance measures that can harmfully mismeasure quality. If clinical trials do not evaluate individual variations in patient risks and benefits, then the performance measures based on the average results of these trials may frequently mandate discretionary and even contraindicated care for many patients.

Although well-designed performance measures may be the strongest mechanism for promoting more efficient and higher-quality care when performed prudently, simplistic, all-or-nothing, "evidence-based" measures can harmfully prioritize low-value care.1-3 Unfortunately, examples of such poorly designed measures are common. Related to one of the illustrations in our Commentary, 2 new NCQA diabetes performance measures mandate tight control for blood pressure and glucose for all patients with diabetes (glycated hemoglobin <7% and blood pressure <130/80 mm Hg),4 although risk-based analyses have shown that the expected benefits of achieving these . . . [Full Text of this Article]

Rodney Hayward, MD
VA Ann Arbor Healthcare System
Ann Arbor, Michigan

David M. Kent, MD, MSc
dkent1@tufts-nemc.org
Institute for Clinical Research and Health Policy Studies
Tufts-New England Medical Center
Boston, Massachusetts



Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Digg Digg   Add to Reddit Reddit   Add to Technorati Technorati   Add to Twitter Twitter     What's this?

RELATED LETTER

Using Clinical Trial Summary Results to Establish Quality Measures
Tracey L. Yap and Winston Y. Yap
JAMA. 2007;298(23):2740-2741.
EXTRACT | FULL TEXT  

RELATED ARTICLE

Limitations of Applying Summary Results of Clinical Trials to Individual Patients: The Need for Risk Stratification
David M. Kent and Rodney A. Hayward
JAMA. 2007;298(10):1209-1212.
EXTRACT | FULL TEXT  






HOME | CURRENT ISSUE | PAST ISSUES | TOPIC COLLECTIONS | CME | SUBMIT | SUBSCRIBE | HELP
CONDITIONS OF USE | PRIVACY POLICY | CONTACT US | SITE MAP
 
© 2007 American Medical Association. All Rights Reserved.