Table 3.
Primary and secondary outcomes
| Prolonged awake prone positioning group (n = 205) | Standard care group (n = 204) | RR (95% CI), or MD (95% CI) | |
|---|---|---|---|
| Primary outcome | |||
| Endotracheal intubation within 28 d of randomization, n. (%) | 35 (17) | 56 (27) | RR: 0.62 (0.42, 0.9) |
| Secondary outcomes | |||
| Mortality at 28 d, n. (%) | 38 (19) | 55 (27) | RR: 0.69 (0.47, 0.98) |
| Days free from respiratory support at 28 d, mean (SD)a | 20.5 (10.9) | 18.4 (12.3) | MD: 2.05 (− 0.14, 4.23) |
| Days free from invasive mechanical ventilation at 28 d, mean (SD) | 22.2 (11.2) | 19.8 (12.6) | MD: 2.33 (0.06, 4.61) |
| Hospital-free days at 28 d, mean (SD) | 11.2 (8.6) | 8.8 (8) | MD: 2.36 (0.79, 3.93) |
Data are n (%), or mean (SD)
RR relative risk, MD mean difference, CI confidence interval, SD standard deviation
aRespiratory support (including high-flow nasal oxygen, noninvasive and invasive ventilation)