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Receiver operating characteristic curves for composite community-acquired pneumonia indicators. Model 1 (no natural language processing): temperature ≥38°C plus tachypnea plus leukocytosis. Model 2: model 1 plus “consolidation” or “infiltrate” on chest radiograph (CXR) or chest computed tomography (CT). Model 3: tachypnea plus leukocytosis plus “consolidation” or “infiltrate” on CXR or CT. Abbreviation: AUC, area under the curve.
