Mortality of patients undergoing bariatric surgery, according to OS-MRS class
| OS-MRS class | Group; no. (and %) | ||
|---|---|---|---|
| Cases | Predicted mortality | Actual mortality | |
| A | 1623 (65.2) | 5 (0.3) | 5 (0.3) |
| B | 796 (32) | 15 (1.9) | 10 (1.2) |
| C | 71 (2.9) | 5 (7.5) | 2 (2.8) |
| Total | 2490 | 25 (1.0) | 17 (0.68) |
OS-MRS = Obesity Surgery Mortality Risk Score.