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Table 2: Grading numbers in the subjective image analysis^{^a}
Grade Image Quality Artifacts (CM-Influx) Artifacts (Shoulder) Artifacts (Skull) Artifacts (Dental Hardware)
Study Control Study Control Study Control Study Control Study Control
4 38 36 11 15 0 0 0 0 14 13
3 7 8 22 23 43 45 42 43 3 5
2 0 1 12 7 2 0 3 2 27 25
1 0 0 0 0 0 0 0 0 1 2
Note:—CM indicates contrast medium; meant are the artifacts by highly-concentrated inflowing contrast medium in the subclavian vein.
↵a Each group (n = 45).

Grade	Image Quality		Artifacts (CM-Influx)		Artifacts (Shoulder)		Artifacts (Skull)		Artifacts (Dental Hardware)
Grade	Study	Control	Study	Control	Study	Control	Study	Control	Study	Control
4	38	36	11	15	0	0	0	0	14	13
3	7	8	22	23	43	45	42	43	3	5
2	0	1	12	7	2	0	3	2	27	25
1	0	0	0	0	0	0	0	0	1	2