| | Assessment measure | Numerical score |
| | | (0) <50 | | Respiratory rate | (1) 50–70 | | | (2) >70 |
| | Accessory muscle use | (0) Normal | | (1) Use of any accessory muscles |
| | | (0) RA saturation ≥95% | | Oxygen saturation | (1) RA saturation 90–94% | | | (2) RA saturation <90% |
| | Auscultation | (0) Clear | | (1) Noisy |
| | Air entry | (0) Normal | | (1) Impaired |
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