A 72-channel receive array coil allows whole-heart cine MRI in two breath holds

Klarenberg, Hugo; Gosselink, Mark; Coolen, Bram F.; Leiner, Tim; Nederveen, Aart J.; Bakermans, Adrianus J.; Lamb, Hildo J.; Boekholdt, S. Matthijs; Froeling, Martijn; Strijkers, Gustav J.

doi:10.1186/s41747-022-00305-w

European Radiology Experimental

Table 5 Pairwise comparison and Bland-Altman analyses of left and right ventricular quantitative parameters

From: A 72-channel receive array coil allows whole-heart cine MRI in two breath holds

	Reference group: SENSE-2 16-channel
	SENSE-2 72-channel			SENSE-4 72-channel			SENSE-6 72-channel			C-SENSE-2 72-channel			C-SENSE-4 72-channel			C-SENSE-6 72-channel
	Mean bias ± LoA	Conf.	p-value	Mean bias ± LoA	Conf.	p-value	Mean bias ± LoA	Conf.	p-value	Mean bias ± LoA	Conf.	p-value	Mean bias ± LoA	Conf.	p-value	Mean bias ± LoA	Conf.	p-value
LV-EDV (mL)	-0.10 ± 16.11	5.98	0.970	-1.79 ± 17.45	6.48	0.900	-3.86 ± 18.31	6.79	0.827	-6.82 ± 12.71	4.72^×	0.058	-6.38 ± 11.68	4.33^×	0.047*	-4.11 ± 10.70	7.68	0.541
LV-ESV (mL)	-3.29 ± 13.14	4.88	0.964	-1.41 ± 10.48	3.89	0.900	-3.01 ± 9.62	3.57	0.827	-7.12 ± 12.23	4.54^×	0.058	-7.94 ± 11.73	4.35^×	0.030*	-7.41 ± 13.82	5.13^×	0.058
LV-SV (mL)	3.19 ± 18.68	6.93	0.964	-0.38 ± 16.83	6.25	0.965	-0.85 ± 19.64	7.29	0.881	0.30 ± 14.28	5.30	0.909	1.56 ± 12.42	4.61	0.840	3.30 ± 22.05	8.18	0.698
LV-EF (%)	2.05 ± 7.82	2.90	0.964	0.58 ± 5.67	2.11	0.900	0.96 ± 6.47	2.40	0.881	2.50 ± 6.20	2.30^×	0.146	3.16 ± 6.12	2.28^×	0.047*	3.32 ± 8.21	3.05^×	0.109
LV-CO (L/min)	0.14 ± 1.94	0.71	0.970	-0.01 ± 1.65	0.61	0.973	-0.07 ± 1.74	0.65	0.881	-0.03 ± 1.58	0.59	0.909	0.14 ± 1.54	0.59	0.840	0.26 ± 2.17	0.80	0.667
LV mass (g)	-0.39 ± 10.63	3.94	0.970	1.24 ± 12.55	4.66	0.900	0.19 ± 10.33	3.83	0.910	0.69 ± 12.08	4.48	0.894	-0.83 ± 14.34	5.32	0.926	-4.21 ± 8.74	3.24^×	0.698
RV-EDV (mL)	2.97 ± 22.06	8.19	0.964	4.29 ± 19.91	7.39	0.900	-1.09 ± 27.66	10.26	0.827	-3.63 ± 24.75	9.19	0.894	-4.31 ± 19.51	7.24	0.468	1.32 ± 20.52	7.61	0.827
RV-ESV (mL)	2.36 ± 13.80	5.12	0.964	3.23 ± 14.75	5.47	0.900	2.66 ± 15.54	5.77	0.827	-2.76 ± 20.28	7.53	0.894	-4.40 ± 14.88	5.52	0.324	2.10 ± 16.74	6.21	0.698
RV-SV (mL)	0.62 ± 14.73	5.47	0.970	1.06 ± 13.87	5.15	0.900	-3.75 ± 24.39	9.05	0.827	-0.86 ± 15.50	5.75	0.894	0.10 ± 15.06	5.59	0.970	-0.78 ± 16.37	6.07	0.838
RV-EF (%)	-0.66 ± 5.12	1.90	0.964	-0.79 ± 6.03	2.24	0.900	-1.69 ± 8.13	3.02	0.827	0.57 ± 7.78	2.89	0.894	1.40 ± 6.50	2.41	0.216	-0.67 ± 7.00	2.60	0.741
RV-CO (L/min)	-0.01 ± 1.57	0.58	0.970	0.01 ± 1.35	0.50	0.900	-0.22 ± 1.85	0.68	0.881	-0.08 ± 1.47	0.54	0.894	0.08 ± 1.64	0.61	0.926	-0.02 ± 1.15	0.43	0.888

Data are presented as the mean bias, 95% LoA of the mean bias, and standard error × t as confidence of the mean difference. CO Cardiac output, Conf. Confidence of the mean difference C-SENSE Compressed sensitivity encoding, EDV End-diastolic volume, EF Ejection fraction, ESV End-systolic volume, LoA Limits of agreement, LV Left ventricle, RV Right ventricle, SENSE Sensiitivity encoding, SV Stroke volume. *p < 0.05, ^×systematic bias: line of equality (0) outside the confidence intervals of the mean difference

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