Ewig et al modified the American Thoracic Society (ATS) rules for the diagnosis of severe community-acquired pneumonia (CAP).
Criteria - at least one of the following:
(1) one or both of the following major criteria on admission:
(1a) requirement for mechanical ventilation
(1b) septic shock
(2) two or three of the following minor criteria on admission:
(2a) systolic blood pressure < 90 mm Hg
(2b) multilobar (3+) involvement
(2c) PaO2 to FIO2 ratio < 250
Performance:
• The sensitivity was 78% and specificity 94%.
• The positive predictive value was 75% and negative predictive value 95%.
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Specialty: Infectious Diseases, Pulmonology
ICD-10: ,