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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

 

OSEM

TOSEM

AR (%)

BW (°)

StD (°)

ENT (%)

BW (°)

StD (°)

ENT (%)

90

41.6 ± 15.2

14.1 ± 6.3

57.4 ± 5.3

49.9 ± 20.9

17.4 ± 7.6

59.6 ± 5.2

80

35.5 ± 10.9

11.5 ± 4.8

56.2 ± 4.9

49.3 ± 19.3

17.5 ± 7.3

59.8 ± 5.2

70

32.2 ± 9.4

9.6 ± 3.6

54.9 ± 4.9

49.6 ± 19.4

17.2 ± 7.0

59.6 ± 5.1

60

29.0 ± 8.0

8.0 ± 2.7

53.4 ± 4.8

51.2 ± 20.1

17.5 ± 7.2

59.6 ± 5.3

50

27.0 ± 7.1

7.2 ± 2.1

52.5 ± 4.7

48.5 ± 17.1

16.9 ± 6.9

59.9 ± 4.9

  1. The results are expressed as mean ± standard deviation
  2. AR activity ratio, BW bandwidth, StD standard deviation, ENT entropy