TABLE 3.
Outcomes of the Matched Patients
| Outcomes | Matched Patients From Complete Population | p | Matched Patients From Those Alive at Decannulation | p | ||
|---|---|---|---|---|---|---|
| Supine, n = 153 | Prone, n = 153 | Supine, n = 98 | Prone, n = 98 | |||
| Acquired infection, n (%) | 65 (42.5) | 92 (60.1) | 0.003 | 42 (42.9) | 53 (54.1) | 0.153 |
| Ventilator-associated pneumonia, n (%) | 102 (66.7) | 107 (69.9) | 0.623 | 72 (73.5) | 64 (65.3) | 0.278 |
| Bloodstream infection, n (%) | 64 (41.8) | 90 (58.8) | 0.004 | 41 (41.8) | 50 (51.0) | 0.252 |
| Surgical site infection, n (%) | 4 (2.6) | 10 (6.5) | 0.171 | 4 (4.1) | 5 (5.1) | 1.000 |
| Thrombosis, n (%) | 48 (31.6) | 61 (39.9) | 0.164 | 33 (34.0) | 38 (38.8) | 0.588 |
| Deep vein thrombosis | 16 (10.5) | 14 (9.2) | 0.848 | 12 (12.2) | 9 (9.2) | 0.644 |
| Pulmonary embolism | 8 (5.2) | 16 (10.5) | 0.137 | 7 (7.1) | 13 (13.3) | 0.238 |
| Limb ischemia, n (%) | 73 (48.7) | 67 (44.1) | 0.494 | 3 (3.1) | 1 (1.0) | 0.606 |
| Hemorrhage, n (%) | 3 (2.0) | 0 (0.0) | 0.246 | 39 (39.8) | 33 (33.7) | 0.459 |
| Number of days alive from cannulation to day 90 | 32 (12–90) | 90 (30–90) | < 0.001 | 90 (30–90) | 90 (90–90) | < 0.001 |
| Length of ECMO support, d | 8 (5–16) | 17 (9–29) | < 0.001 | 10 (6–16.25) | 15 (10–24) | < 0.001 |
| Survivor at day 90 | 10 (7–15) | 16 (10–23) | < 0.001 | 9 (7–15) | 16 (11–25) | < 0.001 |
| Dead before day 90 | 7 (3–16) | 17 (9–39) | < 0.001 | 13 (6–20) | 12 (6–18) | 0.92 |
| ECMO-free days within 90 d of cannulation | 2 (0–77) | 40 (0–75) | 0.526 | 73 (7–82) | 70.50 (36.25–78.75) | 0.915 |
| Ventilatory-free days within 90 d of cannulation | 2 (0–67) | 20 (0–63) | 0.727 | 61 (7–72) | 51 (16–66.75) | 0.459 |
| Length of ICU stay after decannulation, d | 7 (0–19) | 8 (0–21) | 0.682 | 17.50 (9–27.75) | 17 (10–35.50) | 0.592 |
| In-hospital death, n (%) | 92 (60.1) | 76 (49.7) | 0.085 | 37 (37.8) | 22 (22.4) | 0.029 |
ECMO = extracorporeal membrane oxygenation.
Variables are presented as n (%) or median (interquartile range).