Table 5 American Society of Anaesiologists' status classification: modified from Wolters and colleagues [10]
From: Clinical review: How is risk defined in high-risk surgical patient management?
Class | Description | Mortality (%) |
|---|---|---|
I | Healthy | 0.1 |
II | Mild systemic disease – no functional limitation | 0.7 |
III | Severe systemic disease – definite functional limitation | 3.5 |
IV | Severe systemic disease – constant threat to life | 18.3 |
V | Moribund patient unlikely to survive 24 hours with or without operation | 93.3 |
E | Emergency operation | Â |