Table 2 Association of different classifications for CAD with all-causes mortality in the study
From: Prognostic value of CAD-RADS classification by coronary CTA in patients with suspected CAD
| Â | Univariable cox | Multivariable cox | ||
|---|---|---|---|---|
HR (95%) | P value | HR (95%) | P value | |
Traditional CAD classification 1 | ||||
 No CAD | 1 (ref) |  |  |  |
 Mild CAD | 2.508 (1.999–3.147) | < 0.001 | 1.376 (1.087–1.742) | 0.008 |
 Moderate CAD | 3.829 (2.901–5.055) | < 0.001 | 1.572 (1.172–2.109) | 0.003 |
 Severe CAD | 7.024 (5.449–9.053) | < 0.001 | 2.563 (1.950–3.370) |  < 0.001 |
Traditional CAD classification 2 | ||||
 Normal | 1 (ref) |  |  |  |
 Mildly abnormal | 2.789 (2.250–3.458) | < 0.001 | 1.420 (1.132–1.782) | 0.002 |
 Moderately abnormal | 7.045 (4.713–10.531) | < 0.001 | 2.825 (1.871–4.266) | < 0.001 |
 Severely abnormal | 7.015 (5.342–9.213) | < 0.001 | 2.465 (1.841–3.301) | < 0.001 |
Traditional CAD classification 3 | ||||
 No CAD | 1 (ref) |  |  |  |
 Nonobstructive CAD | 2.508 (1.999–3.147) | < 0.001 | 1.382 (1.092–1.750) | 0.007 |
 1 vessel obstructive CAD | 3.243 (2.424–4.338) | < 0.001 | 1.406 (1.036–1.908) | 0.029 |
 2 vessel obstructive CAD | 7.403 (5.426–10.100) | < 0.001 | 2.689 (1.937–3.734) | < 0.001 |
 3 vessel/LM obstructive CAD | 8.211 (6.145–10.971) | < 0.001 | 2.756 (2.024–3.752) | < 0.001 |
Duke CAD index | ||||
 0 | 1 (ref) |  |  |  |
 1 | 1.876 (1.425–2.470) | < 0.001 | 1.210 (0.915–1.601) | 0.181 |
 2 | 3.349 (2.595–4.320) | < 0.001 | 1.568 (1.200–2.049) | 0.001 |
 3 | 3.019 (2.175–4.189) | < 0.001 | 1.334 (0.949–1.875) | 0.097 |
 4 | 6.336 (4.512–8.898) | < 0.001 | 2.408 (1.689–3.433) | < 0.001 |
 5 | 6.120 (4.401–8.511) | < 0.001 | 2.355 (1.667–3.326) | < 0.001 |
 6 | 6.267 (3.936–9.979) | < 0.001 | 2.313 (1.438–3.719) | < 0.001 |
 7 | 9.505 (6.654–13.578) | < 0.001 | 3.095 (2.127–4.505) | < 0.001 |
CAD-RADS | ||||
 0 | 1 (ref) |  |  |  |
 1 | 1.250 (0.610–2.561) | 0.541 | 0.861 (0.420–1.764) | 0.682 |
 2 | 2.610 (2.077–3.280) | < 0.001 | 1.412 (1.113–1.792) | 0.004 |
 3 | 3.828 (2.900–5.053) | < 0.001 | 1.577 (1.176–2.116) | 0.002 |
 4A | 6.412 (4.770–8.620) | < 0.001 | 2.449 (1.792–3.347) | < 0.001 |
 4B&5 | 8.049 (5.813–11.145) | < 0.001 | 2.761 (1.961–3.887) | < 0.001 |