Table 1 Modified Aldrete score (Aldrete, 1995)
| Criteria | Point value |
|---|---|
| Oxygenation | |
| SpO2 > 92% on room air | 2 |
| SpO2 > 92% on oxygen | 1 |
| SpO2 < 90% on room air | 0 |
| Respiration | |
| Breathes deeply and coughs freely | 2 |
| Dyspneic, shallow breathing | 1 |
| Apnea | 0 |
| Circulation | |
| Blood pressure ± 20 mmHg of the baseline value | 2 |
| Blood pressure ± 20–50 mmHg of the baseline value | 1 |
| Blood pressure ± 50 mmHg of the baseline value | 0 |
| Consciousness | |
| Fully awake | 2 |
| Arousable on calling | 1 |
| Not responsive | 0 |
| Activity | |
| Moving all extremities | 2 |
| Moving two extremities | 1 |
| No movement | 0 |