TABLE 2

Maximal Displacement in 3 Axes During Stress Acquisitions^* Using Previous Frame or Frame 3 as Reference

	Relative to previous frame			Relative to frame 3
Direction	Adenosine	Regadenoson	P	Adenosine	Regadenoson	P
Negative x	−2.9 ± 1.8	−2.3 ± 1.5	0.083	−2.5 ± 1.9	−2.9 ± 2.3	0.435
Negative y	−3.1 ± 1.8	−2.3 ± 1.5	0.024	−4.8 ± 3.3	−3.1 ± 2.0	0.012
Negative z	−6.4 ± 3.7	−4.9 ± 2.2	0.123	−9.9 ± 5.3	−7.1 ± 3.6	0.048
Positive x	2.7 ± 1.4	1.8 ± 1.0	0.007	2.2 ± 2.6	0.7 ± 1.5	0.063
Positive y	2.6 ± 1.4	2.2 ± 1.7	0.082	0.2 ± 2.3	0.7 ± 1.3	0.030
Positive z	4.9 ± 2.5	3.7 ± 1.7	0.034	0.4 ± 3.2	0.6 ± 2.3	0.229

↵* Frames 13–25 for adenosine and frames 15–25 for regadenoson.
Data are mean millimeters ± SD. Analysis for displacement relative to previous frame was done using Mann–Whitney tests. Analysis for displacement relative to frame 3 was done using independent-samples t tests.