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Survival plots according to rectus femoris cross-sectional area and diaphragmatic excursion of time from tracheostomy placement: (a) cumulative incidence of weaning from mechanical ventilation and (b) cumulative survival in the intensive care unit.
MV - mechanical ventilation; RF-CSA - rectus femoris cross-sectional area; DEx - diaphragmatic excursion; HR - hazard ratio; 95% CI - 95% confidence interval; ICU - intensive care unit; TCT - tracheostomy.
