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Table 3 Echocardiographic measurements and statistical results

From: Impact of a training program incorporating cardiac magnetic resonance imaging on the accuracy and reproducibility of two-dimensional echocardiographic measurements of left ventricular volumes and ejection fraction

 

Site A

Site B

Site C

Site D

Site E

All

CMR

Protocol 1 (n = 15)

Measurements

 EDV (mL)

164 ± 72 †

171 ± 85 †

161 ± 76 †

128 ± 65 †

130 ± 66 †

153 ± 75 †

187 ± 95

 ESV (mL)

98 ± 57 †

100 ± 73 †

83 ± 55 †

62 ± 40 †

69 ± 46 †

83 ± 56 †

116 ± 77

 EF (%)

44 ± 16 †

47 ± 18 †

52 ± 16 †

55 ± 15 †

51 ± 16 †

50 ± 16 †

41 ± 15

CV (%)

 EDV

11.5 ± 3.8

15.9 ± 6.9

13.8 ± 3.6

11.3 ± 3.8

10.5 ± 3.2

17.8 ± 3.6

–

 ESV

16.1 ± 7.3

21.0 ± 8.1

17.3 ± 5.2

12.9 ± 6.4

14.0 ± 5.9

24.5 ± 6.2

–

 EF

10.9 ± 5.4

13.4 ± 8.8

9.4 ± 4.4

8.9 ± 4.3

8.3 ± 3.4

13.1 ± 5.5

–

CP

 EDV

0.56

0.54

0.51

0.21

0.22

0.44

–

 ESV

0.73

0.75

0.57

0.36

0.42

0.57

–

 EF

0.77

0.67

0.43

0.40

0.57

0.54

–

Protocol 2 (n = 14)

Measurements

 EDV (mL)

160 ± 53 †

166 ± 50

187 ± 58 †

149 ± 46 †

157 ± 53 †

170 ± 56 †

176 ± 70

 ESV (mL)

99 ± 50 †

106 ± 50 †

116 ± 52

84 ± 42 †

97 ± 49 †

105 ± 51 †

113 ± 62

 EF (%)

41 ± 16

39 ± 16

40 ± 15

46 ± 16 †

41 ± 16

41 ± 16 †

40 ± 15

CV (%)

 EDV

9.2 ± 2.8

11.2 ± 5.0

11.6 ± 3.1

9.8 ± 2.4

16.7 ± 4.8

15.1 ± 3.5

–

 ESV

11.9 ± 5.0

14.5 ± 5.3

17.0 ± 7.0

12.7 ± 4.8

23.0 ± 7.2

20.8 ± 6.4

–

 EF

10.9 ± 5.8

14.9 ± 9.2

15.5 ± 4.6

9.3 ± 6.3

14.6 ± 5.3

15.3 ± 4.9

–

CP

 EDV

0.59

0.55

0.49

0.50

0.54

0.53

–

 ESV

0.75

0.70

0.68

0.61

0.66

0.68

–

 EF

0.83

0.76

0.74

0.71

0.78

0.76

–

  1. †: p value < 0.05 against CMR
  2. EDV End-diastolic volume, ESV End-systolic volume, EF Ejection fraction, CMR Cardiac magnetic resonance