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Comment & Response
April 16, 2014

Lag Time to Benefit for Preventive Therapies

Author Affiliations
  • 1Department of Population Health, NYU School of Medicine, New York, New York
JAMA. 2014;311(15):1566. doi:10.1001/jama.2014.2317

To the Editor: In their Viewpoint, Dr Lee and colleagues1 explained why clinicians and guideline panels should move beyond age as a crude marker for life expectancy and compare life expectancy with the earliest time when benefits exceed harms. They also noted that “unlike magnitude of benefit, measures of lag time to benefit are rarely reported.”1

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