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Table 6 Characteristics of weaning and duration of mechanical ventilation, ICU and hospital stay in patients with ARDS

From: Outcome of acute respiratory distress syndrome in university and non-university hospitals in Germany

  University hospital (n = 87) Non-university hospital (n = 111) p value
Tracheostomy    0.16
 Tracheostomy after ARDS onset/nontracheostomized patients until ARDS onset 33/76 (43.4) 20/102 (19.6) 0.001
 Tracheostomy, percutaneous /surgical/not specified 29 (87.9)/3 (9.1)/1 (3.0) 11 (55.0)/8 (40.0)/1 (5.0) 0.01
 Days to tracheostomy after ARDS onset 10 (4–13) 4 (2–11) 0.10
Main weaning method    0.16
 Daily spontaneous weaning trial 12 (19.7) 25 (34.7)  
 Gradual reduction of ventilatory support 45 (73.8) 43 (59.7)  
 Not specified 4 (6.6) 4 (5.6)  
Extubation
 Extubation 42/86 (48.8) 63/107 (58.9) 0.16
 Reintubation within 48 h 17/42 (40.5) 16/53 (25.4) 0.10
 Non-invasive ventilation after extubation; reintubation thereafter 23/42 (54.8); 10 (43.5) 27/63 (42.9); 12 (44.4) 0.23; 0.95
Duration of mechanical ventilation (days) 16 (9–29) 8 (3–16) <0.001
 After ARDS onset 13 (6–23) 6 (3–14) <0.001
 Survivors 14 (9–25) 7 (3–14) <0.001
Length of ICU stay (days) 19 (12–34) 10 (5–23) <0.001
 After initiation of mechanical ventilation 19 (11–34) 10 (5–24) <0.001
 After ARDS onset 15 (9–31) 8 (4–18) <0.001
 Survivors 19 (13–35) 13 (5–24) 0.003
Length of hospital stay (days) 31 (17–46) 21 (9–41) 0.007
 After initiation of mechanical ventilation 26 (14–42) 15 (6–34) 0.002
 After ARDS onset 23 (11–37) 14 (4–28) 0.005
 Survivors 32 (19–53) 24 (14–41) 0.077
  1. Data presented as n (%); median (interquartile range)
  2. ARDS acute respiratory distress syndrome, ICU intensive care unit