| Breed | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Not Selected | 2 | 1% | 0 | 0% |
| German Shepherd | 118 | 41% | 46 | 48% |
| German Shepherd (White) | 6 | 2% | 4 | 4% |
| German Shepherd (Black) | 5 | 2% | 2 | 2% |
| German Shepherd Mix | 23 | 8% | 2 | 2% |
| Belgian Shepherd | 0 | 0% | 0 | 0% |
| Boxer | 19 | 7% | 11 | 11% |
| Labarador Retriever | 8 | 3% | 1 | 1% |
| Chesapeake Bay Retriever | 13 | 4% | 9 | 9% |
| Great Pyrenees | 3 | 1% | 0 | 0% |
| Kerry Blue Terrier | 1 | 0% | 0 | 0% |
| Old English Sheep Dog | 1 | 0% | 1 | 1% |
| Rhodesian Ridgeback | 2 | 1% | 0 | 0% |
| Weimaraner | 0 | 0% | 1 | 1% |
| Corgi | 25 | 9% | 17 | 18% |
| Mix of any listed | 11 | 4% | 1 | 1% |
| None listed | 52 | 18% | 1 | 1% |
| Sex | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Male | 161 | 56% | 44 | 46% |
| Female | 126 | 44% | 52 | 54% |
| Not Answered | 2 | 1% | 0 | 0% |
| Sterilized | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Yes | 253 | 88% | 55 | 57% |
| No | 36 | 12% | 41 | 43% |
| Not Answered | 0 | 0% | 0 | 0% |
| Age of dog (years) | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Not Selected | 4 | 1% | 4 | 4% |
| 0-1 Years | 0 | 0% | 4 | 4% |
| 1-2 Years | 1 | 0% | 8 | 8% |
| 2-3 Years | 1 | 0% | 11 | 11% |
| 3-4 Years | 0 | 0% | 9 | 9% |
| 4-5 Years | 2 | 1% | 7 | 7% |
| 5-6 Years | 5 | 2% | 11 | 11% |
| 6-7 Years | 10 | 3% | 11 | 11% |
| 7-8 Years | 11 | 4% | 3 | 3% |
| 8-9 Years | 30 | 10% | 8 | 8% |
| 9-10 Years | 38 | 13% | 4 | 4% |
| 10-11 Years | 41 | 14% | 3 | 3% |
| 11-12 Years | 42 | 15% | 5 | 5% |
| 12-13 Years | 44 | 15% | 3 | 3% |
| 13-14 Years | 32 | 11% | 2 | 2% |
| 14-15 Years | 21 | 7% | 1 | 1% |
| 15-16 Years | 6 | 2% | 2 | 2% |
| 16-17 Years | 0 | 0% | 0 | 0% |
| 17+ Years | 1 | 0% | 0 | 0% |
| Age the dog was aquired (years) | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Not Selected | 103 | 36% | 37 | 39% |
| 0-1 Years | 117 | 40% | 47 | 49% |
| 1-2 Years | 21 | 7% | 5 | 5% |
| 2-3 Years | 14 | 5% | 5 | 5% |
| 3-4 Years | 8 | 3% | 1 | 1% |
| 4-5 Years | 10 | 3% | 0 | 0% |
| 5-6 Years | 2 | 1% | 0 | 0% |
| 6-7 Years | 4 | 1% | 1 | 1% |
| 7-8 Years | 3 | 1% | 0 | 0% |
| 8-9 Years | 2 | 1% | 0 | 0% |
| 9-10 Years | 1 | 0% | 0 | 0% |
| 10-11 Years | 0 | 0% | 0 | 0% |
| 11-12 Years | 1 | 0% | 0 | 0% |
| 12-13 Years | 3 | 1% | 0 | 0% |
| 13-14 Years | 0 | 0% | 0 | 0% |
| 14-15 Years | 0 | 0% | 0 | 0% |
| 15-16 Years | 0 | 0% | 0 | 0% |
| 16-17 Years | 0 | 0% | 0 | 0% |
| 17+ Years | 0 | 0% | 0 | 0% |
| Where dog was acquired | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Homebred | 22 | 8% | 16 | 17% |
| Purchased from a breeder | 150 | 52% | 58 | 60% |
| Purchased from pet shop or other | 10 | 3% | 2 | 2% |
| Adopted | 64 | 22% | 14 | 15% |
| Found as a stray | 20 | 7% | 0 | 0% |
| Acquired from a neighbor, etc. | 23 | 8% | 6 | 6% |
| Not Answered | 0 | 0% | 0 | 0% |
| Known Histories | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Lineage known | 166 | 57% | 79 | 82% |
| Complete medical history known | 150 | 52% | 59 | 61% |
| Complete behavioral history known | 137 | 47% | 59 | 61% |
| No history prior to aquiring the dog is known | 92 | 32% | 12 | 12% |
| Not Answered | 2 | 1% | 0 | 0% |
| Dog's sire/dam have DM | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Sire Only, Not Dam | 3 | 1% | 1 | 1% |
| Sire Only, Dam Not Known | 0 | 0% | 0 | 0% |
| Sire Did Not, Dam Not Known | 1 | 0% | 1 | 1% |
| Dam Only, Not Sire | 5 | 2% | 0 | 0% |
| Dam Only, Sire Not Known | 5 | 2% | 4 | 4% |
| Dam Did Not, Sire Not Known | 4 | 1% | 0 | 0% |
| Both | 2 | 1% | 0 | 0% |
| Neither | 32 | 11% | 50 | 52% |
| Lineage Not Known | 52 | 18% | 8 | 8% |
| Not Known, not in contact | 140 | 48% | 23 | 24% |
| Not Known, other reason | 44 | 15% | 9 | 9% |
| Not Answered | 1 | 0% | 0 | 0% |
| Dogs littermates have DM | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Yes, only one | 0 | 0% | 0 | 0% |
| Yes, One that is known but there may be/have been others | 9 | 3% | 0 | 0% |
| Yes, exactly Two | 0 | 0% | 0 | 0% |
| Yes, Two are known but there may be/have been others | 1 | 0% | 0 | 0% |
| Yes, More than Two | 1 | 0% | 0 | 0% |
| Yes, More than Two known but there may be/have been others | 0 | 0% | 0 | 0% |
| No | 17 | 6% | 29 | 30% |
| Not Known | 261 | 90% | 67 | 70% |
| Not Answered | 0 | 0% | 0 | 0% |
| Any relation within one generation have DM | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Yes | 23 | 8% | 7 | 7% |
| No | 16 | 6% | 28 | 29% |
| Not Known | 248 | 86% | 60 | 62% |
| Not Answered | 2 | 1% | 1 | 1% |
| Any relation within 3 generations have DM | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Yes | 25 | 9% | 10 | 10% |
| No | 6 | 2% | 14 | 15% |
| Not Known | 258 | 89% | 72 | 75% |
| Not Answered | 0 | 0% | 0 | 0% |
| Is the dog deceased | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Yes | 93 | 32% | 11 | 11% |
| No | 194 | 67% | 85 | 89% |
| Not Answered | 2 | 1% | 0 | 0% |
| Has the dog been DNA Tested (Flash or U of MO gene) | Group 1 | % Group 1 | Group 2 | % Group 2 |
| Yes, we did both tests and they were both positive | 0 | 0% | 0 | 0% |
| Yes, we did both tests and they were both negative | 0 | 0% | 0 | 0% |
| Yes, we did both tests and the Flash Test was negative and the gene test was positive | 2 | 1% | 0 | 0% |
| Yes, we did both tests and the Flash Test was positive and the gene test was negative | 1 | 0% | 0 | 0% |
| Yes, we did both tests and the Flash Test was negative and the gene test was carrier | 0 | 0% | 0 | 0% |
| Yes, we did both tests and the Flash Test was positive and the gene test was carrier | 0 | 0% | 0 | 0% |
| Yes, the Flash Test (U of FL) was positive | 5 | 2% | 0 | 0% |
| Yes, the Flash Test (U of FL) was negative | 6 | 2% | 4 | 4% |
| Yes, the gene Test (U of MO) was positive | 20 | 7% | 10 | 10% |
| Yes, the gene Test (U of MO) was positive as carrier | 7 | 2% | 4 | 4% |
| Yes, the gene Test (U of MO) was negative | 0 | 0% | 0 | 0% |
| No, it was/is not available to us | 27 | 9% | 5 | 5% |
| No, I and/or my vet did not know about it | 82 | 28% | 11 | 11% |
| No | 131 | 45% | 60 | 62% |
| Not Answered | 7 | 2% | 2 | 2% |
| Does/did the dog exhibit any DM symptoms | Group 1 | % Group 1 | Group 2 | % Group 2 |
| No | 4 | 1% | 91 | 95% |
| Yes | 282 | 98% | 5 | 5% |
| Not Applicable | 0 | 0% | 0 | 0% |
| Not Answered | 3 | 1% | 0 | 0% |
| Has any exam/testing been done on the dog | Group 1 | % Group 1 | Group 2 | % Group 2 |
| No | 54 | 19% | 52 | 54% |
| Yes | 215 | 74% | 9 | 9% |
| Not Applicable | 0 | 0% | 23 | 24% |
| Not Answered | 20 | 7% | 12 | 12% |
| Was the DM protocol followed | Group 1 | % Group 1 | Group 2 | % Group 2 |
| No | 102 | 35% | 17 | 18% |
| Yes | 155 | 54% | 4 | 4% |
| Not Applicable | 0 | 0% | 61 | 64% |
| Not Answered | 32 | 11% | 14 | 15% |
