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Table 4 Comparison of visual assessment, AutoEF, Manual Simpson and myocardial perfusion imaging (MPI), expert readers.

From: Computer-assisted determination of left ventricular endocardial borders reduces variability in the echocardiographic assessment of ejection fraction

  

Visual assessment of LVEF(%)

 

LVEF%

≥ 55

45–54

30–44

< 30

Total

AutoEF

      
 

≥ 55

90

42

10

1

143

 

45–54

31

42

25

1

99

 

30–44

1

9

22

11

43

 

< 30

0

0

4

6

10

Manual Simpson

      
 

≥ 55

81

41

7

1

130

 

45–54

31

37

18

2

88

 

30–44

10

15

30

9

64

 

< 30

0

0

6

7

13

MPI

      
 

≥ 55

99

45

6

0

150

 

45–54

21

38

24

2

85

 

30–44

2

10

19

9

40

 

< 30

0

0

12

8

20

Row

Total

122

93

61

19

295

  1. Note that there are five readings per patient for each method. The numbers of the single reader in MPI has been multiplied by 5.