Table 1.
Baseline characteristics.
| Study Population | N = 90 |
|---|---|
| Age, median (IQR) | 64 (53–71) |
| Sex, n (%) | |
| Female | 24 (26.7) |
| Male | 66 (73.3) |
| Height, inches, mean ± SD | 66.1 ± 3.62 |
| BMI, median (IQR) | 29.4 (26.1–33.9) |
| Comorbidities, n (%) | |
| Hypertension | 50 (55.6) |
| Diabetes mellitus | 42 (46.7) |
| SOFA score on day of first prone session, mean ± SD | 10.3 ± 2.5 |
| ICU location, n (%) | |
| Medical | 15 (16.7) |
| Neurologic | 12 (13.3) |
| Cardiac | 13 (14.4) |
| Surgical | 10 (11.1) |
| Operating Room | 16 (17.8) |
| Medical/Surgical Floor Converted | 9 (10) |
| Pediatric | 6 (6.7) |
| Cardiothoracic | 7 (7.8) |
| Post-procedural observation units | 1 (1.1) |
| Emergency Department | 1 (1.1) |
| Tidal Volume at time of first prone session, cc/kg of predicted body weight, median (IQR) | 6.0 (5.5–6.26) |
| Median plateau pressure at time of first prone session, cm H20, median (IQR) | 30 (28–34) |
| PEEP prior to prone session, mean ± SD | 14 ± 3.96 |
| FiO2 prior to prone sessions, median (IQR) | 0.8 (0.7–1.0) |
| PaO2:FiO2 prior to prone sessions, median (IQR) | 107 (85–140) |
| Time from intubation to first prone session, days, median (IQR) | 6 (IQR 2–11) |
BMI = body mass index; SOFA = sequential organ failure assessment; ICU = intensive care unit; cc/kg = centimeters per kilogram; cm H20 = centimeters of water; PEEP = positive end expiratory pressure; FiO2 = fraction of inspired oxygen; PaO2 = partial pressure or arterial oxygen.