Admission oxygen saturation group | ||||
87% or less n=147 | 88%–92% n=282 | 93%–96% n=375 | 97%–100% n=223 | |
DECAF indices | ||||
eMRCD Score, (IQR) | 5a (4–5a) | 5a (4–5b) | 5a (4–5a) | 5a (4–5b) |
Eosinopenia less than 0.05, % | 60.7 | 60.3 | 51.1 | 44.1 |
CXR consolidation, % | 43.0 | 33.0 | 29.0 | 25.5 |
pH less than 7.35/7.3, % | 53.8/34.9 | 18.9/9.7 | 26.1/12.3 | 31.5/20.1 |
AF, % | 18.8 | 12.5 | 16.1 | 16.1 |
NEWS2-sats indices | ||||
Respiratory rate, (SD) | 27.1 (7.7) | 25.0 (6.4) | 25.2 (6.5) | 26.3 (6.9) |
BP, systolic, mm Hg (SD) | 136 (31) | 135 (25) | 139 (28) | 141 (26) |
Pulse rate, (SD) | 108 (22) | 104 (19) | 104 (21) | 106 (21) |
AVPU and/or confusion, % | 24.0 | 13.6 | 10.7 | 16.3 |
Temp. 38 °C/ 100.4 F or more, % | 18.3 | 13.7 | 11.9 | 6.6 |
pO2, kPa (SD) | 8.9 (5.7) | 8.7 (3.0) | 10.2 (4.6) | 13.9 (9.4) |
pCO2, kPa (SD) | 8.4 (3.5) | 6.6 (2.4) | 6.6 (2.1) | 7.2 (3.2) |
AF, atrial fibrillation; AVPU, alert, voice, pain, unresponsive; BP, blood pressure; CXR, chest radiograph; DECAF, dyspnoea, eosinopenia, chest X-ray consolidation, acidaemia, atrial fibrillation; eMRCD, extended Modified Research Council Dyspnoea score; kPa, kilopascals; NEWS2, National Early Warning Score; pCO2, partial pressure of carbon dioxide; pO2, partial pressure of oxygen; Temp., temperature.