mortalité (1) analyse (1) effet (1) taux (1) Mortality (1) Complications (1) Case (1) Control (1) Postoperative period (1) Weights and measures (1) Tracheotomy (1) Tea (1) Pneumonia (1) Patients (1) Pain (1) Mortality (1) Impact (1) Grammar, Comparative and general--Case (1) Case (1) Aortic valve (1) Analgesia (1) Analysis (1) Patients (1) mortalité (1)