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Trend of mortality during 1 year of follow-up in the three groups.
| Time | Mortality RIMN | Mortality UINM | Mortality DHS |
|---|---|---|---|
| 0 | 0 | 0 | 0 |
| Before surgery | 0 | 0 | 0 |
| After surgery | 0 | 0 | 1 |
| 1st month | 2 | 1 | 4 |
| 3rd month | 3 | 3 | 2 |
| 6th month | 1 | 2 | 2 |
| 12th month | 2 | 1 | 0 |
| Total | 8 (26.67%) | 7 (23.33) | 9 (34.61) |
