JOHN T. PHILBRICK, M.D.
To the editor: I read with anticipation the report of the multicenter study by Hull and associates (1) concerning tests used in the diagnosis of pulmonary embolism, hoping that someone had answered my questions about making this diagnosis. In the study design, the authors made admirable efforts to avoid bias in the assembly of their subjects; however, in their analysis they omitted the crucial step of linking the clinical characteristics of the patients with the test results. Because the authors could not reasonably obtain venogram or pulmonary arteriogram data on patients with normal lung scans, they were able
PHILBRICK JT. Diagnosis of Pulmonary Embolism. Ann Intern Med. ;99:729–732. doi: 10.7326/0003-4819-99-5-729
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Published: Ann Intern Med. 1983;99(5):729-732.
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