. 2020 Nov;24(11):1020–1027. doi: 10.5005/jp-journals-10071-23599
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Table 2.
PaO2/FiO2 ratio
| P/F ratio | Category |
|---|---|
| >300 | Normal |
| ≤300 (mild) | Mild |
| ≤200 (moderate) | Moderate |
| ≤100 (severe) | Severe |