Objective:To evaluate the prognostic value of Berlin definition on ARDS.Method:The clinical data of 96 patients with Acute Respiratory Distress Syndrome were retrospectively analyzed.The patients were classified as mild,moderate or severe based on oxygenation index at admission.The main cut off point of research contained outcome at day 7or day 28,living time.The secondary point included ventilation modes at admission and day3,stay of ICU and hospitalization.Result:The death rate at day 7revealed no deferen...