Table 3.
Cox multivariable regression model for outcome abdominal aortic aneurysm at least 55 mm)
| Factor | HR | P |
|---|---|---|
| Baseline SAA diameter ≥26.0 mm* | 5.9 (1.84, 18.95) | 0.003 |
| Aortic height index ≥14.6* | 5.2 (2.23, 12.12) | <0.001 |
| Aortic size index ≥13.0* | 9.1 (3.62, 22.85) | <0.001 |
| Current smoker* | 1.4 (0.84, 2.39) | 0.191 |
| Smoking-years*† | 1.0 (1.0, 1.05) | 0.026 |
| First-degree relative with AAA | 2.0 (1.06, 3.75) | 0.032 |
| Coronary disease | 1.1 (0.66, 2.13) | 0.683 |
| Hypertension | 1.0 (0.56, 1.74) | 0.989 |
| Hyperlipidaemia | 1.1 (0.59, 1.94) | 0.813 |
Values in parentheses are 95% confidence intervals. *Morphological variables (baseline subaneurysmal aorta (SAA) diameter, aortic height index, and aortic size index) and smoking variables were entered into the analysis separately. †HRs are shown per unit increase. AAA, abdominal aortic aneurysm.