Non-contrast 3.0T coronary magnetic resonance angiography: Image quality comparison of coronal balanced-turbo-field-echo, axial turbo-field-echo, and modified-Dixon sequences

Table 2 Participant characteristics and comparison of subjective image quality score at balanced turbo field echo, turbo field echo, and modified Dixon sequences

Characteristic	BTFE	TFE	mDixon	Intergroups P value1	P value (adjusted P value)2	P value (adjusted P value)3	P value (adjusted P value)4
Sex	-	-	-	NA	NA	NA	NA
Male	12	12	12	-	-	-	-
Female	10	10	10	-	-	-	-
Age (year), mean ± SD	23 ± 2	23 ± 2	23 ± 2	NA	NA	NA	NA
HR (beats/minute), mean ± SD	67 ± 7	67 ± 7	67 ± 7	NA	NA	NA	NA
BMI, mean ± SD	21.2 ± 1.4	21.2 ± 1.4	21.2 ± 1.4	NA	NA	NA	NA
Image quality score
LM	4.0 (4.0-4.0)	3.0 (3.0-3.0)	4.0 (4.0-4.0)	< 0.001	< 0.001	0.177	0.009
LAD-pro	4.0 (4.0-4.0)	3.0 (3.0-4.0)	4.0 (4.0-4.0)	< 0.001	< 0.001	0.306	0.003
LCX-pro	4.0 (4.0-4.0)	3.0 (3.0-3.25)	4.0 (4.0-4.0)	< 0.001	< 0.001	0.583	< 0.001
RCA-pro	4.0 (4.0-4.0)	3.0 (3.0-3.25)	4.0 (4.0-4.0)	< 0.001	< 0.001	0.084	< 0.001
LAD-mid	4.0 (4.0-4.0)	3.0 (2.75-3.0)	4.0 (3.875-4.0)	< 0.001	< 0.001	0.489	< 0.001
RCA-mid	4.0 (4.0-4.0)	3.0 (2.5-3.0)	3.75 (2.875-4.0)	< 0.001	< 0.001	0.024	< 0.001
LAD-dis	4.0 (3.875-4.0)	3.0 (2.0-3.0)	3.0 (3.0-4.0)	< 0.001	< 0.001	< 0.001	0.009
LCX-dis	4.0 (3.0-4.0)	3.0 (2.0-3.0)	3.0 (2.875-3.25)	< 0.001	< 0.001	0.03	< 0.001
RCA-dis	4.0 (3.375-4.0)	3.0 (2.0-3.0)	3.0 (2.75-4.0)	< 0.001	< 0.001	0.03	< 0.001
RI	3.5 (2.88-4.0)	2.0 (2.0-2.63)	3.0 (2.0-4.0)	0.009	0.033	0.156	0.21
D	3.0 (3.0-4.0)	2.0 (1.0-3.0)	3.0 (2.0-3.375)	< 0.001	< 0.001	0.009	0.006
OM	4.0 (3.0-4.0)	2.0 (2.0-3.0)	3.0 (2.0-4.0)	< 0.001	< 0.001	0.015	0.09
PDA	3.0 (2.0-4.0)	1.0 (1.0-2.0)	2.0 (2.0-3.0)	< 0.001	< 0.001	0.033	0.006
PLB	3.0 (3.0-4.0)	2.0 (1.0-2.0)	3.0 (2.0-3.0)	< 0.001	0.006	0.042	0.018

¹The Friedman test was used to compare characteristics among balanced turbo field echo, turbo field echo, and modified Dixon.

²Balanced turbo field echo vs turbo field echo.

³Balanced turbo field echo vs modified Dixon.

⁴Turbo field echo vs modified Dixon.

NA: Not available; BTFE: Balanced turbo field echo; TFE: Turbo field echo; mDixon: Modified Dixon; LM: Left main artery; LAD-pro: Proximal left anterior descending artery; LAD-mid: Mid left anterior descending artery; LAD-dis: Distal left anterior descending artery; LCX-pro: Proximal left circumflex artery; LCX-dis: Distal left circumflex artery; RCA-pro: Proximal right coronary artery; RCA-mid: Mid right coronary artery; RCA-dis: Distal right coronary artery; RI: Ramus intermediu; D: The first and second diagonal branches (D1, D2); OM: The first and second obtuse marginal branches (OM1, OM2); PDA: Posterior descending arteries; PLB: Posterolateral branches.