“…12 Prior studies have evaluated clinical predictors for diagnosing pneumonia and determining the need for CXR in the ED setting. 6,7,9 These studies corroborate our findings that many clinical characteristics, in particular vital sign abnormalities, are either sensitive or specific but no single characteristic is both. None of the prior studies, however, evaluated the use of clinical characteristics to rapidly detect patients with CAP at triage to reduce time to antibiotic treatment, the main objective of our study.…”