Region | Mode | Hyperinflation (%) | Normal aeration (%) | Poor aeration (%) | No aeration (%) | Interaction, HU range × ventilatory mode |
---|---|---|---|---|---|---|
Apex | ||||||
Nondependent | SB- | 0 ± 0 | 73 ± 17 | 26 ± 17 | 1 ± 1 | P < 0.01 |
SB+ | 0 ± 0 | 85 ± 11 | 15 ± 11 | 0 ± 1 | ||
Dependent | SB- | 0 ± 0 | 33 ± 19 | 50 ± 14 | 17 ± 18 | ns |
SB+ | 0 ± 0 | 48 ± 33 | 35 ± 21 | 16 ± 23 | ||
Diaphragm | ||||||
Nondependent | SB- | 0 ± 0 | 73 ± 23 | 25 ± 19 | 2 ± 5 | P < 0.01 |
SB+ | 0 ± 0 | 88 ± 11 | 12 ± 11 | 0 ± 0 | ||
Dependent | SB- | 0 ± 0 | 9 ± 9 | 43 ± 15 | 47 ± 20 | P < 0.001 |
SB+ | 0 ± 0 | 25 ± 15 | 52 ± 14 | 23 ± 22 |