Table 4 Regional vibration intensity distribution
From: Regional distribution of acoustic-based lung vibration as a function of mechanical ventilation mode
| Â | Upper | Middle | Lower |
|---|---|---|---|
|  | Mean ± SD | Mean ± SD | Mean ± SD |
VC | 48.7% ± 18.7% | 40.5% ± 13.7% | 10.8% ± 11.2% |
PC | 47.8% ± 19.4% | 39.4% ± 13.7% | 12.8% ± 15.4% |
PS | 48.5% ± 17.4% | 39.5% ± 11.3% | 12.1% ± 11.6% |
t test | Upper | Mid | Lower ↑ |
VC-PC | 0.709 | 0.610 | 0.107 |
VC-PS | 0.411 | 0.747 | 0.027a |
PC-PS | 0.851 | 0.951 | 0.825 |