Table 1.
EHM cases per breed, age, and sex.
| Breed | n | Age | ||||||
|---|---|---|---|---|---|---|---|---|
| Min | Max | Mean | Median | SD * | IQR ** | |||
| Warmblood horse | 10 | 8 | 27 | 18.20 | 18.0 | 6.32 | 10.00 | |
| Arabian–WB crossbreed | 5 | 9 | 18 | 13.40 | 13.0 | 3.65 | 5.00 | |
| Arabian | 1 | 15 | 15 | 15.00 | 15.0 | N/A | 0.00 | |
| Fjord horse | 13 | 10 | 29 | 17.31 | 18.0 | 5.86 | 7.00 | |
| Welsh pony | 1 | 18 | 18 | 18.00 | 18.0 | N/A | 0.00 | |
| Icelandic horse | 2 | 7 | 8 | 7.50 | 7.5 | 0.71 | 0.50 | |
| Shetland pony | 1 | 13 | 13 | 13.00 | 13.0 | N/A | 0.00 | |
| Sex | Male | 19 | 8 | 29 | 15.63 | 15.0 | 6.18 | 6.50 |
| Female | 14 | 7 | 25 | 17.00 | 18.0 | 5.45 | 6.25 | |
* SD: standard deviation; ** IQR: interquartile range.