Length of hospital stay for all patients was 16.1 ±16.6 days, 18.6 ±15.3 days for survivors and 12.0 ± 17.8 days for nonsurvivors. ICU length of stay was 4.6±4.1 days for survivors and 8.9 ±14.8 days for nonsurvivors (p<0.05). Survivors spent a median of 24.5 hours on mechanical ventilation (range, 2.5 to 192 hours) compared with a median of 39 hours (range, 2.0 to 1,368 hours) for nonsurvivors. For nonsurvivors, the four longest periods of mechanical ventilation were 1,368, 180, 173, and 95 hours compared with 192, 172, 142, and 125 hours for survivors.
Forty-seven patients were discharged from the hospital; the number is less than the number of survived episodes (56) because some patients had more than one admission. Follow-up information was not available for five patients. Fourteen of the remaining 42 died in the first postdischarge year, with mean time to death of5.5±3.8 months. Seven patients died in the second year, and two died in the third. Those who survived one year did not differ in age from those who did not, 71.9±9.2 vs 72.7±8.5 years, and had a similar incidence of in-hospital acute myocardial infarction, 48.6 percent vs 50.0 percent. Among the 46 patients in the validation group for the models, mortality was 39 percent.
Category: Pulmonary disease
Tags: mechanical ventilation, myocardial infarction, pulmonary edema, systolic blood pressure
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