Disease severity for 5076 patients with diagnostic CTCA at each of the nine sites and overall
Centre | A | B | C | D | E | F | G | H | I | Overall |
CAD-RADS 0, n (%) | 388 (40) | 139 (53) | 238 (38) | 75 (39) | 118 (57) | 120 (35) | 195 (39) | 75 (55) | 628 (34) | 1976 (39) |
CAD-RADS 1–2, n (%) | 360 (37) | 67 (25) | 232 (36) | 58 (31) | 60 (29) | 147 (43) | 174 (35) | 37 (27) | 775 (42) | 1910 (38) |
CAD-RADS 3–5, n (%) | 220 (23) | 57 (22) | 163 (26) | 57 (30) | 30 (14) | 74 (22) | 131 (26) | 25 (18) | 433 (24) | 1190 (23) |
CAD-RADS allows three distinct groups of patients to be defined: those with normal coronary arteries (CAD-RADS 0), those with atheroma probably not associated with ischaemia (CAD-RADS 1–2) and those with atheroma possibly or probably associated with ischaemia (CAD-RADS 3–5).
CAD-RADS, Coronary Artery Disease–Reporting and Data System; CTCA, CT coronary angiography.