Surgeon A | Surgeon B | |
---|---|---|
Low risk patients | ||
No. patients | 100 | 50 |
No. died (%) | 10 (10%) | 5 (10%) |
No. expected (%) | 10 (10%) | 5 (10%) |
High risk patients | ||
No. patients | 50 | 100 |
No. died (%) | 15 (30%) | 30 (30%) |
No. expected (%) | 10 (20%) | 20 (20%) |
All patients | ||
No. patients | 150 | 150 |
No. died | 25 | 35 |
No. expected | 20 | 25 |
SMR | 1.25 | 1.40 |