Risk factor | Points assigned | |
ASA physical status | ||
I | 0 | |
II | 2 | |
III | 4 | |
IV | 5 | |
V | 6 | |
Procedure risk | ||
Low risk | 0 | |
Intermediate risk | 1 | |
High risk | 2 | |
Emergency | ||
Nonemergent | 0 | |
Emergency surgery | 1 | |
Class | Point total | Mortality |
I | 0 to 4 | <0.50% |
II | 5 to 6 | 1.5 to 4.0% |
III | 7 to 9 | >10% |
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