Table 3. Comparison of image quality between groups.

	Likert scale	P value	Median (IQR) number of poor segments	P value
Group 1 (2nd generation scanner, HR ≥65 bpm)	3.94±0.6	0.001	0 [1]	0.016
Group 2 (1st generation scanner, HR ≥65 bpm)	3.45±0.8		1 [2]
Group 3 (2nd generation scanner, HR <65 bpm)	4.11±1.5	0.091	0 [0]	0.581
Group 4 (1st generation scanner, HR <65 bpm)	3.73±0.4		0 [0]