Delta FIO2 expressed in absolute % points, X ± SD
Flow
6 L/min
12 L/min
FI02
FP
AIRVO 2
FP
AIRVO 2
0.95
-36 ± 6*
-30 ± 1*
-12 ± 4
-3 ± 3#
0.70
-14 ± 4
-17 ± 5*
-9 ± 1
4 ± 1#
0.50
-9 ± 2
-9 ± 2*
-6 ± 0
2 ± 0#
0.35
-3 ± 2
-3 ± 1
-2 ± 4
-3 ± 3
*6 is > 12 L/min. # AIRVO < FP.