Critical Care Research and Practice

Research Article

Outcomes of Noninvasive Positive Pressure Ventilation in Acute Respiratory Distress Syndrome and Their Predictors: A National Cohort

Table 2

All-cause patient in-hospital mortality rate (%) and length of stay (days), by the study group.
 IMV (N = 14,550)NIPPV (N = 6,835)NIPPV success (N = 5,480)NIPPV failure (N = 1,355)
%, mean95% CI%, mean95% CI%, mean95% CI%, mean95% CI
Died during hospitalization, %, (n = 858)25.1[23.5, 26.9]9.3[7.8, 11.0]4.9[3.8, 6.4]26.9[21.8, 32.8]
Length of stay (days), mean15.6[15, 16.3]8.8[8.2, 9.4]7[6.6, 7.5]16[14, 18]
N: population-weighted sample size; n: actual number of observations; CI: confidence interval; IMV: invasive mechanical ventilation, NIPPV: noninvasive positive pressure ventilation.