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Table 3 Concordance correlation coefficients for TOSEM reconstructions for patients whose unaltered activity ratio was > 90%

From: Time-modified OSEM algorithm for more robust assessment of left ventricular dyssynchrony with phase analysis in ECG-gated myocardial perfusion SPECT

AR (%)

BW

StD

ENT

90 vs.

CCC

Cb

r

CCC

Cb

r

CCC

Cb

r

80

0.988

0.997

0.992

0.978

0.999

0.978

0.993

0.999

0.994

70

0.938

0.997

0.941

0.962

0.996

0.966

0.993

1.000

0.993

60

0.966

0.997

0.969

0.976

0.998

0.978

0.979

1.000

0.979

50

0.889

0.977

0.910

0.899

0.993

0.906

0.970

0.997

0.973

  1. AR activity ratio, BW bandwidth, StD standard deviation, ENT entropy, CCC concordance correlation coefficient, Cb bias correction factor, r Pearson’s correlation coefficient