. Author manuscript; available in PMC: 2013 Jun 1.

Published in final edited form as: Circ Arrhythm Electrophysiol. 2012 May 14;5(3):521–530. doi: 10.1161/CIRCEP.111.968313

Table 3.

CT assessment of image quality and artifacts in the total cohort and as classified by sinus rhythm or atrial fibrillation.

	Total (n=94)	Sinus (n=69)	AF (n=25)	P value
Image Quality
Excellent	59 (63%)	42 (61%)	17 (68%)	0.73
Good	34 (36%)	26 (38%)	8 (32%)
Moderate	1 (1%)	1 (1%)	0 (0%)
Poor	0 (0%)	0 (0%)	0 (0%)
Non-diagnostic	0 (0%)	0 (0%)	0 (0%)
Artifacts
Slab	0 (0%)	0 (0%)	0 (0%)	-
Breathing	0 (0%)	0 (0%)	0 (0%)	-
Metal/Beam Hardening	16 (17%)	13 (19%)	3 (12%)	0.78
Barium	30 (32%)	23 (33%)	7 (28%)	0.60
Noise
No – average noise	87 (93%)	64 (93%)	23 (92%)
Above average noise	6 (6%)	4 (6%)	2 (8%)	0.75
Severe noise	1 (1%)	1 (1%)	0 (0%)

Abbreviations as in Table 1.