Table 1.
Patients Characteristics Comparing Patients Who Experienced Prone Positioning Post-Extracorporeal Membrane Oxygenation Initiation Versus Those Who Were Always Supine
| Variable | All Patients (n = 232) | Prone Position (n = 67) | Supine Position (n = 165) |
|---|---|---|---|
| Age, yr | 53 (43–60) | 52 (43–60) | 53 (44–60) |
| Sex | |||
| Male | 160 (69%) | 47 (70%) | 113 (68%) |
| Female | 72 (31%) | 20 (30%) | 52 (32%) |
| Race/ethnicity | |||
| White | 95 (41%) | 34 (51%) | 61 (37%) |
| Hispanic | 50 (22%) | 15 (22%) | 35 (21%) |
| Asian | 30 (13%) | 8 (12%) | 22 (13%) |
| Black | 29 (12%) | 4 (6%) | 25 (15%) |
| Others | 28 (12%) | 6 (9%) | 22 (13%) |
| Body mass index, kg/cm2 | 30 (27–36) | 29 (26–33) | 31 (27–36) |
| Acute Physiology Score II | 19 (12–25) | 19 (12–24) | 19 (12–26) |
| Sequential Organ Function Assessment | 8 (5–10) | 7 (4–9) | 8 (5–10) |
| Pregnancy | 3 (1%) | 0 | 3 (2%) |
| Comorbidities | |||
| Obesity | 114 (49%) | 33 (49%) | 81 (49%) |
| Immunocompromised | 113 (49%) | 34 (51%) | 79 (48%) |
| Hypertension | 96 (41%) | 31 (46%) | 65 (39%) |
| Diabetes | 58 (25%) | 19 (28%) | 39 (24%) |
| Active smoker | 42 (18% | 13 (19%) | 29 (18%) |
| Chronic cardiac disease | 18 (8%) | 4 (6%) | 14 (8%) |
| Chronic kidney disease | 6 (4%) | 2 (3%) | 8 (3%) |
| Alcohol abuse | 7 (3%) | 4 (6%) | 3 (2%) |
| Malignancy | 5 (2%) | 3 (4%) | 2 (1%) |
| Time from first symptoms to hospital admission, d | 10 (6–16) | 10 (6–16) | 10 (6–16) |
| Time from intubation to extracorporeal membrane oxygenation, d | 4 (2–6) | 4 (2–8) | 4 (2–6) |
| Duration of mechanical ventilation, d | 24 (14–36) | 28 (16–42) | 24 (14–34) |
| Hospital length of stay, d | 32 (20–47) | 36 (24–58) | 30 (19–44) |
Data are median (interquartile range) or n (%).