Variable | Total cohort | Ventilator alone group | ECMO group | p-value* |
---|---|---|---|---|
Ventilator days before starting ECMO (days) | N/A | N/A | 1 (0–5) | N/A |
Ventilator days (days) | 10 (6–19) | 9 (6–16) | 24 (15–44) | < 0.001 |
ECMO days (days) | N/A | N/A | 13 (9–24) | N/A |
Overall survival | 7239 (77) | 6515 (79) | 785 (65) | < 0.001 |
90-day survival | 7265 (77) | 6524 (80) | 801 (66) | < 0.001 |