A retrospective study of clinical signs and epidemiology of chronic valve disease in a group of 207 Dachshunds in Poland

Table 2 The signalment and heart rate of Dachshunds submitted to cardiology services at the Small Animal Clinic, Faculty of Veterinary Medicine, Warsaw University of Life Sciences between November 2001 and October 2011 divided on the basis of heart disease severity (ISACHC class)

Parameter	Class 1	Class 2	Class 3
Number of dogs	60	79	33
Age (years) (mean ± SD)	11.0 ± 3.1^a	12.1 ± 2.0^b	11.4 ± 2.8^ab
Body weight (kg) (mean ±SD)	9.4 ± 2.56	9.3 ± 1.87	9.7 ± 2.61
Heart rate (beats/min) (mean ±SD)	123 ± 19^a	137 ± 18^b	154 ± 32^c
Sex (percentage of females in group) (%)	51.6	38.0	21.3

^abc Values in each row marked with different character are statistically different with p<0.05.

ISSN: 1751-0147