Table 5.
Multivariable Factors Associated With Risk Luminal Narrowing Using Cox Proportional Hazard Analysis in Branches With CAAs With Z Score ≥10
| Multivariable Risk Factors | Reliability, % | HR | Lower 95% CI | Upper 95% CI | P Value |
|---|---|---|---|---|---|
| Maximum CAA Z score | 100 | ||||
| ≥10 to <20 | Reference | ||||
| ≥20 to <30 | 3.65 | 1.91 | 6.98 | <0.001 | |
| ≥30 to <40 | 4.24 | 2.00 | 9.01 | <.0001 | |
| ≥40 | 7.56 | 3.19 | 17.9 | <0.001 | |
| No. of d of fever before IVIGs | 98 | 1.04 | 1.01 | 1.07 | 0.01 |
| Complex aneurysms architecture | 97 | 1.93 | 1.24 | 3.01 | 0.004 |
| Albumin level, g/L | 94 | 0.92 | 0.86 | 0.98 | 0.008 |
| No. of IVIG cycles | 93 | ||||
| 0 | Reference | ||||
| 1 | 0.13 | 0.03 | 0.54 | 0.005 | |
| 2 | 0.34 | 0.12 | 0.96 | 0.04 | |
| 3+ | 0.48 | 0.18 | 1.29 | 0.15 | |
| Branch | 78 | ||||
| RCA | Reference | ||||
| LMCA | 0.11 | 0.01 | 0.82 | 0.03 | |
| LAD | 0.58 | 0.38 | 0.89 | 0.01 | |
| LCX | 0.22 | 0.07 | 0.72 | 0.01 |
CAA indicates coronary artery aneurysm; HR, hazard ratio; IVIG, intravenous immunoglobulin; LAD, left anterior descending artery; LCX, left circumflex artery; LMCA, left main coronary artery; and RCA, right coronary artery.