Table 2.
Outcomes for the study cohort
| control group (n = 38) | observation group (n = 38) | P | |
|---|---|---|---|
| Daily duration spent on executing the AW-PP (minutes), mean ± SD | 4.64 ± 1.02 | 2.74 ± 0.86 | < 0.001 |
| Daily total AW-PP (hours),mean ± SD | 6.03 ± 0.66 | 8.52 ± 1.01 | < 0.001 |
| Daily duration until the first position adjustment (minutes), mean ± SD | 36.57 ± 8.69 | 59.89 ± 12.73 | < 0.001 |
| Daily frequency of position adjustments during the AW-PP(n),mean ± SD | 17.95 ± 2.58 | 11.03 ± 2.67 | < 0.001 |
| daily number of hours under HFNO (hours),mean ± SD | 4.34 ± 1.08 | 3.88 ± 1.16 | 0.122 |
| daily number of hours under NIV (hours),mean ± SD | 4.98 ± 0.66 | 5.60 ± 1.15 | 0.175 |
| Escalated to NIV (n),% | 9 (33.3) | 7 (21.9) | 0.324 |
| Hospital LOS(days),mean ± SD | 19.13 ± 4.70 | 17.84 ± 5.97 | 0.299 |
| Intubation, n (%) | 11 (28.9) | 9 (23.7) | 0.602 |
| mortality, n (%) | 6 (15.8) | 4 (10.5) | 0.497 |
| Adverse events | |||
| Kinking NIRS circuit,n (%) | 23 (60.5) | 5 (13.2) | < 0.001 |
| Pain, n (%) | 21 (55.3) | 7 (18.4) | 0.001 |
| Shortness of breath,n (%) | 9 (23.7) | 2 (5.3) | 0.022 |
| Dizziness, n (%) | 5 (13.2) | 0 (0) | 0.021 |
| Pressure ulcers, n (%) | 26 (68.4) | 7 (18.4) | < 0.001 |
| Stage | |||
| I, n (%) | 18 (47.4) | 6 (15.8) | 0.003 |
| II, n (%) | 8 (21.1) | 1 (2.6) | 0.013 |
| Site | |||
| Face, n (%) | 12 (31.6) | 3 (7.9) | 0.009 |
| Chest, n (%) | 21 (55.3) | 5 (13.2) | < 0.001 |
| Knee, n (%) | 7 (18.4) | 1 (2.6) | 0.025 |
| Other, n (%) | 2 (5.3) | 0 (0) | 0.152 |
AW-PP awake prone positioning, HFNO High-flow Nasal Oxygen, NIV Non-invasive ventilation, LOS length of stay, NIRS non-invasive respiratory support