NEWS Scoring system for oxygen saturation levels (SpO2) and our proposed alternative oxygen scoring system
| EWS Score for SpO2 | 3 | 2 | 1 | 0 | 1 | 2 | 3 |
|---|---|---|---|---|---|---|---|
| NEWS System | ≤91% | 92–93% | 94–95% | ≥96 | |||
| Proposed modification to NEWS system | ≥5% Below target range | 3–4% Below target range | 1–2% Below target range | In target range | 1–2% Above target range on oxygen* | 3–4% Above target range on oxygen* | ≥5% Above target range on oxygen* |
↵* Patients do not score for high oxygen saturation if breathing air.