| Cause of the dog's death | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Euthanized | 98 | 84% | 8 | 73% |
| Unexpectedly expired; cause unknown | 3 | 3% | 0 | 0% |
| Unexpectedly expired; cause known | 3 | 3% | 2 | 18% |
| Expired naturally - end of life, old age | 1 | 1% | 0 | 0% |
| Expired naturally - other than old age | 1 | 1% | 0 | 0% |
| Accident | 0 | 0% | 0 | 0% |
| Other | 0 | 0% | 0 | 0% |
| Not Answered | 10 | 9% | 1 | 9% |
| If the dog was euthanized what was the reason | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Not Euthanized | 5 | 4% | 0 | 0% |
| DM | 73 | 63% | 1 | 9% |
| Old Age / End of Life Span | 0 | 0% | 1 | 9% |
| Cancer | 2 | 2% | 2 | 18% |
| Bloat | 1 | 1% | 0 | 0% |
| Renal Failure | 0 | 0% | 0 | 0% |
| Heart Disease / Stroke | 0 | 0% | 0 | 0% |
| Other Organ Failure | 0 | 0% | 1 | 9% |
| Other Neurological Reason | 3 | 3% | 1 | 9% |
| Other | 19 | 16% | 2 | 18% |
| Not Answered | 13 | 11% | 3 | 27% |
| If not euthanized, what was the caus | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Euthanized | 14 | 12% | 0 | 0% |
| DM | 2 | 2% | 0 | 0% |
| Old Age / End of Life Span | 0 | 0% | 0 | 0% |
| Cancer | 1 | 1% | 0 | 0% |
| Bloat | 0 | 0% | 1 | 9% |
| Renal Failure | 0 | 0% | 0 | 0% |
| Heart Disease / Stroke | 1 | 1% | 0 | 0% |
| Other Organ Failure | 1 | 1% | 0 | 0% |
| Other Neurological Reason | 0 | 0% | 0 | 0% |
| Other | 1 | 1% | 1 | 9% |
| Not Answered | 96 | 83% | 9 | 82% |
| Was a necropsy performed | Group 1 | % Group 1 | Group 2 | % Group 2 |
| No | 103 | 89% | 8 | 73% |
| Yes, the results showed DM | 3 | 3% | 0 | 0% |
| Yes, DM could not be confirmed | 0 | 0% | 0 | 0% |
| Yes, DM was ruled out | 0 | 0% | 2 | 18% |
| Not Answered | 10 | 9% | 1 | 9% |
