TABLE 6.

Results of Polar Map Segment Analysis and Correlation Coefficient for Myocardial Wall Variation

Gated SPECTAC20:2020:1020:05
PSTPGAC method vs. (r)PSTPGAC method vs. (r)PSTPGAC method vs. (r)
NormalDefectNormalDefectNormalDefect
Perfusion (%)
 STPG SPECTUnTagAC0.4770.5000.9960.3180.4100.9870.4430.4420.993
75% GAC0.4770.5000.9910.4610.4100.9990.4680.4420.993
40% GAC0.4510.4300.9910.2420.4100.9810.4740.4420.995
 NPG SPECTUnTagAC0.4240.5000.9930.3470.4100.9840.4330.4420.996
75% GAC0.4400.5000.9900.3760.3440.9850.3460.3740.991
40% GAC0.3570.5000.9890.3660.3440.9880.3710.2950.991
Non AC0.0560.4100.9050.0140.3440.8530.0280.4420.885
ED (%)
 STPG SPECTUnTagAC0.4180.2950.9990.2690.5000.9920.4390.5000.996
75% GAC0.4180.2950.9990.3550.5000.9960.1240.5000.824
40% GAC0.4260.2950.9990.2760.5000.9930.3020.5000.976
 NPG SPECTUnTagAC0.4290.5000.9990.4950.2950.9920.4920.5000.999
75% GAC0.4770.5000.9990.4860.4100.9990.4890.5000.999
40% GAC0.4370.5000.9990.2920.5000.9930.4910.5000.999
Non AC0.1580.5000.8060.0340.4300.8960.0270.5000.907
ES (%)
 STPG SPECTUnTagAC0.4590.5000.9990.3800.5000.9890.4490.5000.997
75% GAC0.4590.4510.9990.4020.4510.9970.4670.4580.998
40% GAC0.4670.5000.9990.3890.5000.9920.4970.5000.997
 NPG SPECTUnTagAC0.4760.5000.9990.4150.4510.9800.4580.5000.999
75% GAC0.4560.4510.9990.4980.4510.9990.4810.4580.999
40% GAC0.4470.5000.9990.3970.5000.9940.4760.5000.999
Non AC0.1460.2050.8760.0660.3300.7840.1300.5000.857
Motion (mm)
 STPG SPECTUnTagAC0.4980.5000.9980.0000.4240.9530.0110.4720.998
75% GAC0.4980.4600.9990.4150.4240.9970.4620.5000.999
40% GAC0.4920.4780.9980.4190.4760.9900.4680.5000.998
 NPG SPECTUnTagAC0.4890.4790.9980.4140.4760.9910.4850.4750.998
75% GAC0.4910.4790.9990.4830.5000.9900.4830.4750.999
40% GAC0.4860.4790.9980.4220.4780.9940.4860.5000.998
Non AC0.3960.3950.9860.4300.3950.9420.2980.4100.968
Thickening (%)
 STPG SPECTUnTagAC0.3890.3740.9980.4530.4000.9940.4240.3740.989
75% GAC0.3890.2950.9990.4970.4300.9930.4610.3740.990
40% GAC0.4560.3740.9980.4930.5000.9950.4460.4300.986
 NPG SPECTUnTagAC0.4080.3740.9920.4620.4630.9910.4240.4300.992
75% GAC0.4720.5000.9960.4990.4580.9980.4510.5000.994
40% GAC0.4090.3740.9850.4920.5000.9980.4880.5000.996
Non AC0.4240.50.8740.4360.4630.9300.4260.3300.878
  • AC = attenuation correction method; r = correlation coefficient; non-AC = non–attenuation-corrected.

  • Normal = F(10,10) < 0.5, P = 0.05; defect = F(5,5) < 0.5, P = 0.05.