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Table 2 Comparison of CMR data between Group I and Group II

From: Delayed onset of tricuspid valve flow in repaired tetralogy of Fallot: an additional mechanism of diastolic dysfunction and interventricular dyssynchrony

Parameters

Overall

(n = 31)

Group I

(n = 15)

Group II

(n = 16)

Pvalue

Delay of onset of tricuspid valve flow (ms)

-

-

64.81 ± 27.07

-

Tricuspid Valve

E-wave peak velocity (cm/s)

29.47 ± 8.68

32.15 ± 7.02

26.95 ± 9.52

0.10

 

A-wave peak velocity (cm/s)

31.01 ± 12.76

29.58 ± 8.07

32.26 ± 15.97

0.56

 

E/A ratio

1.02 ± 0.34

1.12 ± 0.32

0.93 ± 0.34

0.12

Mitral valve

E-wave peak velocity (cm/s)

53.14 ± 8.17

54.02 ± 9.69

52.31 ± 6.67

0.58

 

A-wave peak velocity (cm/s)

20.00 ± 10.98

17.65 ± 7.12

21.91 ± 13.24

0.31

 

E/A ratio

3.50 ± 2.00

3.44 ± 1.51

3.54 ± 2.37

0.89

Right ventricle

EDVi (ml/m2)

171.66 ± 49.60

174.29 ± 43.82

169.02 ± 56.22

0.77

 

EF (%)

42.28 ± 8.20

46.06 ± 8.95

38.49 ± 5.35

0.01

Left ventricle

EDVi (ml/m2)

83.41 ± 15.32

85.12 ± 16.87

81.69 ± 14.01

0.56

 

EF (%)

59.72 ± 6.91

58.95 ± 7.25

60.55 ± 6.71

0.54

Pulmonary regurgitant fraction (%)

38.28 ± 10.14

42.23 ± 6.81

35.96 ± 11.41

0.06

Heart rate (beats per minute)

76.80 ± 19.44

77.07 ± 22.40

76.53 ± 16.78

0.94

PR interval (ms)

148.97 ± 32.10

147.21 ± 40.48

150.60 ± 23.11

0.78

QRS duration (ms)

142.33 ± 29.54

136.27 ± 33.17

148.40 ± 25.06

0.27

  1. EDVi, end-diastolic volume index; EF, ejection fraction; MV, mitral valve; TV, tricuspid valve.