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Kaplan-Meier curve to evaluate the time to death according to various entities of pulmonary disorder. (A) It is a pattern in which the survival rate drops sharply at the initial stage of the intensive care unit admission. (B) It is a pattern in which survival rate decreases gradually over time. (C) It is a pattern in which survival rate was not different between the pulmonary disorder and non-pulmonary disorder groups. ARDS, acute respiratory distress syndrome.
