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. 2008 Nov 11;6:55. doi: 10.1186/1476-7120-6-55

Table 4.

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

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

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