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Mark, D.B., Hlatky, M.A., Harrell Jr., F.E., Lee, K.L., Califf, R.M. and Pryor, D.B. (1987) Exercise Treadmill Score for Predicting Prognosis in Coronary Artery Disease. Annals of Internal Medicine, 106, 793-800.
http://dx.doi.org/10.7326/0003-4819-106-6-793

has been cited by the following article:

• TITLE: A Comparison of the NYHA Classification and the Duke Treadmill Score in Patients with Cardiovascular Disease

  AUTHORS: Sandra L. Carroll, Karen Harkness, Michael Hugh McGillion

  KEYWORDS: Nursing Practice, Function, Measurement, Cardiovascular Disease, Framework

  JOURNAL NAME: Open Journal of Nursing, Vol.4 No.11, October 27, 2014

  ABSTRACT: Aim: A discussion of the measurement of functional status in cardiovascular research. Background: Selection of appropriate outcome measures and instrumentation is vital for nurse researchers to ensure that outcomes align conceptually and are measured using reliable and valid tools. Functional status is a well-known outcome in cardiovascular research—however attention to underlying conceptual differences that may influence choices of whether to include subjective or objective measures is needed. Design: This work is a discussion paper: seminal research reporting the development, validation, and reliability testing of the NYHA classification system and the Duke Treadmill Score. Implications for nursing: Conceptually clarity and comprehensive appraisal of the reliability and validity of outcome measures in nursing research are essential to ensure high level of quality outcomes that will benefit patients.