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Table 1 baseline characteristics of the three study groups

From: Local myocardial stiffness variations identified by high frame rate shear wave echocardiography

Category

1 = Normal volunteers

N = 10

2 = HCM patients without septal reduction

N = 10

3 = HCM patients post septal reduction

N = 10

ANOVA

p

2 vs 3

 

ANOVA

p

1 vs 2

 

ANOVA

p

1 vs 3

Age

37 ± 14

51 ± 11

0.002

54 ± 10

0.0001

0.75

Male gender

50%

90%

0.09

60%

0.8

0.3

BMI

22 ± 2

28 ± 5

0.002

27 ± 5

0.02

0.7

Systolic blood pressure [mmHg]

118 ± 16

136 ± 12

0.06

130 ± 22

0.2

0.7

Diastolic blood pressure [mmHg]

70 ± 9

80 ± 12

0.4

76 ± 11

0.5

0.9

Septal thickness [mm]

8 ± 1

19 ± 5

< 0.0001

17 ± 4

< 0.0001

0.8

Ejection fraction [%]

67 ± 5

65 ± 9

0.9

53 ± 14

0.01

0.03

  1. BMI Body Mass Index; HCM Hypertrophic cardiomyopathy