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Table 1 Phase analysis results 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

 OSEMTOSEM
AR (%)BW (°)StD (°)ENT (%)BW (°)StD (°)ENT (%)
9041.6 ± 15.214.1 ± 6.357.4 ± 5.349.9 ± 20.917.4 ± 7.659.6 ± 5.2
8035.5 ± 10.911.5 ± 4.856.2 ± 4.949.3 ± 19.317.5 ± 7.359.8 ± 5.2
7032.2 ± 9.49.6 ± 3.654.9 ± 4.949.6 ± 19.417.2 ± 7.059.6 ± 5.1
6029.0 ± 8.08.0 ± 2.753.4 ± 4.851.2 ± 20.117.5 ± 7.259.6 ± 5.3
5027.0 ± 7.17.2 ± 2.152.5 ± 4.748.5 ± 17.116.9 ± 6.959.9 ± 4.9
  1. The results are expressed as mean ± standard deviation
  2. AR activity ratio, BW bandwidth, StD standard deviation, ENT entropy