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Table 2 Subgroup analysis: severe ARDS

From: Acute respiratory distress syndrome - the Berlin definition: impact on an ICU of a university hospital

Variable Survivors Nonsurvivors P value
APACHE II 20.82 ± 8.89 25.31 ± 5.63 0.761
MV (days) 26.95 ± 18.03 10.10 ± 11.64 0.001
ARDS (days) 15.8 ± 11.60 8.5 ± 8.6 0.031
ICU stay 33.52 ± 18.25 11.25 ± 11.80 0.001