Table 2.

Coronary computed tomography angiography and echocardiographic characteristics in the total study population and in patients with and without myocardial ischemia.

	Total (n = 125)	Ischemia (n = 66)	No ischemia (n = 59)	p
Coronary computed tomography angiography
Total plaque volume (mm3)	805 ± 251	847 ± 245	758 ± 251	0.049
Total non-calcified plaque volume (mm3)	749 ± 233	788 ± 228	706 ± 233	0.049
Total low-attenuation plaque volume (mm3)*	10 (6, 17)	10 (7, 15)	11 (6, 20)	0.205
Total calcified plaque volume (mm3)*	27 (9, 63)	28 (10, 57)	23 (9, 66)	0.739
Total vessel volume (mm3)	2609 ± 849	2644 ± 762	2570 ± 942	0.630
Total lumen volume (mm3)	1804 ± 704	1797 ± 619	1812 ± 794	0.907
Total coronary artery length (mm)	250 ± 59	253 ± 57	246 ± 62	0.544
Calcium score*	43 (16, 106)	46 (16, 125)	38 (13, 83)	0.333
Segment involvement score	2.6 ± 1.6	2.8 ± 1.8	2.4 ± 1.3	0.178
Remodelling index	1.06 ± 0.14	1.07 ± 0.14	1.06 ± 0.15	0.702
Positive remodelling	45 (36%)	26 (39%)	19 (32%)	0.403
Localization of non-obstructive coronary artery disease
Left main stem	14 (11%)	10 (15%)	4 (7%)	0.140
Left anterior descending artery	108 (86%)	58 (88%)	50 (85%)	0.606
Left circumflex artery	42 (34%)	29 (44%)	13 (22%)	0.009
Right coronary artery	47 (38%)	25 (38%)	22 (37%)	0.958
Echocardiography
Left ventricular internal diastolic dimension (mm)	45 ± 5	45 ± 6	45 ± 5	0.933
Left ventricular internal systolic dimension (mm)	29 ± 5	29 ± 5	29 ± 5	0.959
Septal thickness (mm)	12 ± 2	12 ± 2	11 ± 2	0.005
Posterior wall thickness (mm)	9 ± 2	9 ± 2	9 ± 2	0.319
Left ventricular ejection fraction (%)	62 ± 7	63 ± 7	60 ± 7	0.042
Left ventricular mass index (g/m2.7)	39.8 ± 9.4	42.1 ± 9.9	37.3 ± 8.0	0.004
Relative wall thickness	0.42 ± 0.11	0.43 ± 0.12	0.41 ± 0.10	0.471

*Median and interquartile range.