To evaluate the influence of pulmonary involvemen at admission in predicting mortality among patients with severe leptospirosis. Reprospective cohort study from medical record registry in Dr. Sardjito Hospital, Yogyakarta from 2003 to 2007. Pulmonary involvement was defined by the presence of pulmonary infiltrate, consolidation or pleural effusion in thorax radiography. Pulmonary edema was exc…