Testing Strategies in the Initial Management of Patients with Community-Acquired Pneumonia

Figure 2. Step 1 identifies patients in risk class I on the basis of age 50 years or younger and the absence of all comorbid
conditions and vital sign abnormalities listed in step 2. For all patients who are not classified as risk class I, the laboratory
data listed in step 2 should be collected to calculate a pneumonia severity score. Risk class and recommended site of care
based on the pneumonia severity score are listed in the final table. Thirty-day mortality data are based on two independent
cohorts of 40 326 patients. For additional information, see reference 97 BP = blood pressure; BUN = blood urea nitrogen.
Application of the Pneumonia Patient Outcomes Research Team Severity Index to determine initial site of treatment..
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Ann Intern Med
January 21, 2003
vol. 138
no. 2
109-118