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Table 4 Echocardiographic characteristics for cats over 4 years of age.

From: Hypertrophic cardiomyopathy in young Maine Coon cats caused by the p.A31P cMyBP-C mutation - the clinical significance of having the mutation

 

cMyBP-C p.A31P genotype

P- value

 

Heterozygous (G/C)

Wild type (G/G)

 

n, gender distribution

14 (4 males)

34 (14 males)

-

Age, y (median, 95% range)

5.7, 4.0; 9.0

4.5, 4.0; 6.0

0.17

Weight, kg (median, 95% range)

6.0, 4.5; 8.8

5.1, 8.7; 3.5

> 0.05

IVSd, mm (median, 95% range)

3.7, 3.1; 6.2

3.9, 2.9; 6.2

0.40

LVIDd, mm (median, 95% range)

16.6, 13.8; 19.3

15.9, 13.8; 1.9

0.20

LVFWd, mm (median, 95% range)

4.0, 2.7; 7.2

4.0, 2.9; 5.8

0.70

IVSs, mm (median, 95% range)

6.6, 5.0; 12.4

6.7, 5.0; 9.0

0.82

LVIDs, mm (median, 95% range)

9.6, 3.9; 12.9

10.0, 6.3; 14.0

0.83

LVFWs, mm (median, 95% range)

7.0, 5.2; 9.2

7.0, 4.1; 9.8

0.08

LA/Ao, (median, 95% range)

1.0, 0.9; 1.3

1.0, 0.9; 1.4

0.06

% with murmur

7

0

 

% with SAM

7

0

 

% with obliteration

14

3

 

% with hypertrophic papillary muscle

7

12

 

% with increased LA

0

0

 
  1. IVSd: diastolic intraventricular septum, LVIDd: diastolic left ventricular inner diameter, LVFWd: diastolic left ventricular free wall, IVSs: systolic intraventricular septum, LVIDs: systolic left ventricular inner diameter, LVFWs: systolic left ventricular free wall, LA/Ao: left atrium over aorta.