Table 2.

T1 coefficient of variance between all observers in different left ventricular myocardial regions

			Patients with normal heart function			Patients with abnormal heart function
			CoV between observers using			CoV between observers using
		nsa	Mean T1	Median T1	nsa	Mean T1	Median T1
Global LV myocardium		2496	5.29	4.88	2976	4.31	3.62
LAD		936	5.33	4.73	1116	4.52	3.59
RCA		780	4.18	3.64	930	3.85	3.12
LCx		780	6.17	6.04	930	4.42	4.05
Basal		936	3.60	2.88	1116	3.29	2.56
1	Anterior	156	4.25	2.73	186	4.71	3.54
2	Anteroseptal	156	2.82	2.40	186	2.32	1.80
3	Inferoseptal	156	2.83	2.50	186	2.45	2.01
4	Inferior	156	2.68	1.78	186	3.34	2.71
5	Inferolateral	156	2.95	2.07	186	2.85	2.21
6	Anterolateral	156	5.12	4.65	186	3.39	2.58
Mid-ventricular		936	5.12	4.52	1116	4.08	3.28
7	Anterior	156	6.37	6.02	186	5.96	4.70
8	Anteroseptal	156	4.04	3.15	186	3.30	2.43
9	Inferoseptal	156	1.91	1.43	186	2.50	1.78
10	Inferior	156	3.44	2.19	186	3.27	2.91
11	Inferolateral	156	5.62	5.00	186	3.39	2.73
12	Anterolateral	156	7.27	6.83	186	4.85	4.09
Apical		624	7.40	7.32	744	5.75	5.14
13	Anterior	156	8.86	8.52	186	6.35	5.33
14	Septal	156	3.34	2.48	186	2.77	2.26
15	Inferior	156	7.83	7.33	186	6.39	5.09
16	Lateral	156	8.53	9.16	186	6.57	6.78

Data are in percentage. LV, left ventricle; LAD, left anterior descending; RCA, right coronary artery; LCx, left circumflex artery; ns, number of segments; CoV, coefficient of variance

^aThe number of segments reflects six combinations of segment comparisons between four observers