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Table 2 Concordance correlation coefficients for OSEM 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 (%)BWStDENT
90 vs.CCCCbrCCCCbrCCCCbr
800.8200.8530.9610.8560.8700.9840.9700.9740.996
700.6530.7000.9330.5780.6300.9180.8790.8890.989
600.4730.5360.8820.2790.4070.6850.7290.7560.965
500.3620.4330.8360.1680.2890.5820.6530.6710.973
  1. AR activity ratio, BW bandwidth, StD standard deviation, ENT entropy, CCC concordance correlation coefficient, Cb bias correction factor, r Pearson’s correlation coefficient