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Clinical Practice Guidelines and Protocols

Henry Ford observational study that shows 66% in-hospital mortality reduction from hydroxychloroquine seems to be guilty of “heroic propensity score” problem

During the 1990s, I served as the director of the Center for Clinical Effectiveness at the Henry Ford Health System in Detroit.  I was lucky

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Dr. Ward August 7, 2020 No Comments
Evaluation Methods

Al Lewis calls workplace wellness programs “get well quick schemes”

Al Lewis is an actuarial consultant that has long focused on challenging wellness and care management vendors to prove their value.  He founded the “Disease

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Dr. Ward January 21, 2013 1 Comment
ACO Reimbursement and Gain Sharing

Klar 3: The necessity of re-qualifying the population to avoid regression-toward-the-mean bias in historical comparison groups

Ron Klar, MD, MPH is a health care consultant with a long history of involvement in federal health care policy and health plan innovation. He

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Dr. Ward July 16, 2011 1 Comment
Evaluation Methods

Identifying and Understanding Analysis Tricks: Regression Toward the Mean

Imagine that you are a new homeowner, shopping for insurance for your new house.  You live in an area prone to earthquakes, and you are

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Dr. Ward July 9, 2011 1 Comment
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