The Duke Activity Status Index
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DASI is a validated, 12-item, self-report questionnaire for measuring functional capacity.

DASI can be used to get a rough estimate of a patient’s peak oxygen uptake in V02 Max or metabolic equivalents (METs). English and Portuguese translations are available.

Scores: Overall functional capacity, Estimated VO2 max, Estimated peak metabolic equivalents (METs)
Formats: Print/PDF, Web, App

Pattern Health is the exclusive licensor of DASI.

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Carter R, Holiday DB, Grothues C, Nwasuruba C, Stocks J, Tiep B. Criterion validity of the Duke Activity Status Index for assessing functional capacity in patients with chronic obstructive pulmonary disease. J Cardiopulm Rehabil. 2002 Jul-Aug;22(4):298-308 (PubMed abstract)

Hlatky M, Boineau R, Higginbotham et al. A Brief Self-administered Questionnaire to Determine Functional Capacity (The Duke Activity Status Index). American Journal of Cardiology. 1989;64(15 Sep):651–654 (PubMed abstract)

Supported implementation options include:

1. Pattern’s eCOA solution.

Next-gen solution with DASI pre-built and approved.

2. Third-party eCOA solution.

Custom option for those with an existing eCOA system.

3. Paper-based

The simple but effort-intensive option.

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About the Author
Mark Hlatky, MD

Mark Hlatky is currently a Professor of Health Policy and a Professor of Medicine (Cardiovasular Medicine) at the Stanford University School of Medicine. His major interests are in outcomes research, evidence-based medicine, and cost-effectiveness analysis.