Automated total and vessel-specific coronary artery calcium (CAC) quantification on chest CT: direct comparison with CAC scoring on non-contrast cardiac CT

Table 3 Automated number of involved vessels on chest CT versus measurements on cardiac CT

	Refernce Number of vessels_Cardiac CT
Automated Number of vessels_Chest CT	N0	N1	N2	N3	N4	Total
N0	220	24	1	3	0	248
N1	1	40	24	12	1	78
N2	0	0	23	12	4	39
N3	0	0	1	17	13	31
N4	0	0	0	1	8	9
Total	221	64	49	45	26	405

N0 No involved vessels with CAC, N1 Patients with 1-vessel CAC, N2 Patients with 2-vessel CAC, N3 Patients with 3-vessel CAC, N4 Patients with 4-vessel CAC; Bold values indicate concordant classification between the two methods

ISSN: 1471-2342