All patients (n = 225) | No prehospital hypercapnia (n = 93) | Prehospital hypercapnia (n = 132) | p-value | |
---|---|---|---|---|
Primary outcome | ||||
In-hospital mortality – n (%) | 29 (12.9) | 6 (6.5) | 23 (17.4) | 0.016 |
Secondary outcomes | ||||
7-day mortality – n (%) | 23 (10.2) | 5 (5.4) | 18 (13.6) | 0.044 |
ER Length of stay (h) – median (IQR) | 6.0 (4.3–9.2) | 7.1 (4.5–11.4) | 5.6 (4.0–8.4) | 0.018 |