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Observation of the owners: frequency of diseases or symptoms affecting the cardiovascular system (n = 255).
| Frequency | Pneumonia | Heart Murmurs/Heart Diseases | Anaemia |
|---|---|---|---|
| never | 71.8% (n = 183) | 79.6% (n = 203) | 70.6% (n = 180) |
| <1 time a year | 12.9% (n = 33) | 3.5% (n = 9) | 9.4% (n = 24) |
| 1–2 times a year | 0.8% (n = 2) | 0.4% (n = 1) | 3.5% (n = 9) |
| up to 10 times a year | 0.0% (n = 0) | 0.0% (n = 0) | 0.4% (n = 1) |
| no information | 14.5% (n = 37) | 16.5% (n = 42) | 16.1% (n = 41) |
