TABLE 3.

Results of Polar Map Segment Analysis and Correlation Coefficient for 360° Acquisitions in Heart Rate Variability

Perfusion	STPG SPECT			NPG SPECT
Perfusion	UnTagAC	75% GAC	40% GAC	UnTagAC	75% GAC	40% GAC	Non-AC
40 bpm
Normal (P)	0.468	0.492	0.498	0.439	0.476	0.474	0.121
Defect (P)	0.444	0.302	0.339	0.500	0.490	0.500	0.430
STPGAC method vs. (r)	0.996	0.997	0.997	0.999	0.998	0.999	0.814
50 bpm
Normal (P)	0.450	0.386	0.454	0.495	0.494	0.478	0.115
Defect (P)	0.464	0.493	0.468	0.328	0.468	0.419	0.303
STPGAC method vs. (r)	0.997	0.964	0.998	0.996	0.997	0.998	0.916
60 bpm
Normal (P)	0.482	0.492	0.487	0.439	0.470	0.465	0.119
Defect (P)	0.499	0.459	0.451	0.421	0.488	0.477	0.444
STPGAC method vs. (r)	0.997	0.996	0.998	0.997	0.997	0.996	0.876
70 bpm
Normal (P)	0.461	0.475	0.442	0.461	0.445	0.489	0.105
Defect (P)	0.457	0.466	0.498	0.416	0.416	0.426	0.340
STPGAC method vs. (r)	0.983	0.976	0.975	0.986	0.971	0.978	0.882
80 bpm
Normal (P)	0.480	0.493	0.466	0.493	0.491	0.429	0.116
Defect (P)	0.465	0.494	0.434	0.462	0.434	0.400	0.388
STPGAC method vs. (r)	0.998	0.998	0.996	0.997	0.996	0.993	0.887
90 bpm
Normal (P)	0.467	0.446	0.495	0.421	0.424	0.446	0.128
Defect (P)	0.465	0.500	0.500	0.424	0.465	0.467	0.479
STPGAC method vs. (r)	0.996	0.995	0.997	0.996	0.995	0.993	0.912
100 bpm
Normal (P)	0.416	0.432	0.469	0.475	0.454	0.456	0.109
Defect (P)	0.464	0.430	0.498	0.462	0.430	0.386	0.470
STPGAC method vs. (r)	0.994	0.992	0.996	0.998	0.994	0.997	0.902

Non-AC = non—attenuation-corrected; r = correlation coefficient.
Normal = F_(10,10) < 0.5, P = 0.05; defect = F_(5,5) < 0.5, P = 0.05.