Medicine's uncomfortable relationship with math: calculating positive predictive value

Affiliations

• ¹ Harvard-MIT Health Sciences and Technology, Cambridge, Massachusetts2Center for Biomedical Informatics, Harvard Medical School, Boston, Massachusetts.
• ² Harvard-MIT Health Sciences and Technology, Cambridge, Massachusetts3The Eli and Edythe L Broad Institute of MIT and Harvard, Cambridge, Massachusetts.
• ³ Department of Veterans Affairs (VA) Boston Healthcare System, Harvard Medical School, Boston, Massachusetts.
• ⁴ Department of Veterans Affairs (VA) Boston Healthcare System, Harvard Medical School, Boston, Massachusetts5Merck Medical Information and Innovation, Merck and Company, Boston, Massachusetts6Department of Health Care Policy, Harvard Medical School, Boston.