Figure 1

Study flowchart.^aThirty-three patients were excluded due to no findings of new infiltrate (n = 19); chest radiograph was not performed (n = 1); fever was not documented (n = 4); noninfectious cause and/or bronchial obstruction (n = 7); or previous discharge from hospital within the last 14 days (n = 2). ^bOf these, 43 patients had not received antibiotics prior to hospital admission. Abbreviations: ID, identification; CRF, case record form.