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Table 1 Comparison of FiO2 according leakages and oxygen supply

From: Leaks can dramatically decrease FiO2 on home ventilators: a bench study

  

Leakage (liters per minute)

  

0

5

10

  

n = 12

n = 12

n = 12

 

1 l/min

24.2 [23.7 - 24.4]

23.6 [23.2 - 23.9]*

25.1 [23.8 - 25.1]

Oxygen supply

2 l/min

28.6 [28.5 - 28.8]

27.0 [26.1 - 27.6]*

29.3 [27.4 - 29.6]

4 l/min

39.0 [38.0 - 40.0]

34.0 [33.0 - 34.6]†

36.6 [34.5 - 38.0]*

 

8 l/min

70.4 [67.5 - 71.9]

53.1 [51.2 - 54.0]†

49.5 [47.1 - 51.6]†

  1. † p < 0.0001 ; * p < 0.05 compared to control group (no leakage).