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Comment & Response
August 6, 2014

Age-Adjusted D-Dimer Cutoff Levels and Pulmonary Embolism

Author Affiliations
  • 1Divisione di Medicina ad Indirizzo Fisiopatologico, Ospedale L.Sacco, Milano, Italy
JAMA. 2014;312(5):557. doi:10.1001/jama.2014.7604

To the Editor The study by Dr Righini and colleagues1 validated the use of an age-adjusted D-dimer cutoff level to rule out pulmonary embolism. The 6 different D-dimer assays used in the study were demonstrated to be equivalent in a previous meta-analysis.2

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