Table 3 Estimated FiO2 in patients receiving ventilatory support using facemasks
From: The SOFA score—development, utility and challenges of accurate assessment in clinical trials
Estimated FiO2 in patients supported with oxygen via facemask | Estimated FiO2 in patients supported with oxygen via facemask with reservoir bag | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Flow rate (l/min) | 5 | 6–7 | 7–8 | Flow rate (l/min) | 6 | 7 | 8 | 9 | 10+ |
Estimated FiO2 | 0.4 | 0.5 | 0.6 | Estimated FiO2 | 0.6 | 0.7 | 0.8 | 0.9 | 0.95 |