Table 2.
Risk scale of the American Society of Anesthesiology (ASA).
| ASA | ||||
|---|---|---|---|---|
| I Healthy individual, under 70 years of age | ||||
| II Mild systemic disease – without functional limitation or > 70 years | ||||
| III Severe systemic disease – defined functional limitation | ||||
| IV Incapacitating systemic disease that is a constant threat to life | ||||
| V Moribund – not expected to survive for 24 h with or without surgery | ||||
| VI Organ donor | ||||
| Age/Class | Class i | Class ii | Class iii | Class IV |
| 1 year | 4% | 4% | 27% | 43% |
| 1-30 years | 6% | 8% | 22% | 28% |
| 31-50 years | 2% | 11% | 25% | 37% |
| 51-70 years | 1% | 8% | 29% | 39% |
| » 70 years | - | 5% | 25% | 45% |