Comparison of total chordae counts for mitral and tricuspid valves across the given species. Comparison of total chordae counts for mitral and tricuspid valves across the given species. There is a significant difference between the counts of chordae in the mitral and tricuspid valves, with a significant P value of 0.04 in Table 1. This shows there are more chordae in the tricuspid valve compared with the mitral valve Jennifer Hutchison, and Paul Rea Vet Rec Open 2015;2:e000150 ©2015 by British Veterinary Association