These findings support the use of the IDSA/ATS minor criteria to predict hospital mortality and guide ICU admission in inpatients with Community-Acquired Pneumonia (CAP) who do not require emergency mechanical ventilation or vasopressors. 1242 patients were studied (mean age 65.7 years, hospital mortality 14.7%). The areas under the receiver operating characteristic curves for the IDSA/ATS minor criteria were 0.88 (95% CI 0.86 to 0.91) and 0.85 (95% CI 0.81 to 0.88) for predicting hospital mortality and ICU admission, respectively. All patients admitted to our hospital from 2004 to 2007 for CAP were reviewed retrospectively.

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