Table 2.
Univariable Cox regression analyses for outcome abdominal aortic aneurysm at least 55 mm
| HR | P | |
|---|---|---|
| Body surface area (m2)* | 0.2 (0.42, 0.97) | 0.045 |
| BMI (kg/m2)* | 1.0 (0.90, 1.03) | 0.280 |
| Baseline SAA diameter (mm)* | 1.6 (1.29, 1.91) | <0.001 |
| Baseline SAA diameter ≥ 26.0 mm | 6.1 (1.91, 19.44) | 0.002 |
| Aortic size index (mm/m2)* | 1.6 (1.26, 1.78) | <0.001 |
| Aortic size index ≥ 13.0 | 9.0 (3.61, 22.61) | <0.001 |
| Aortic height index (mm/m)* | 1.8 (1.38, 2.26) | <0.001 |
| Aortic height index ≥ 14.6 | 5.1 (2.21, 11.96) | <0.001 |
| Relative aortic diameter quotient ≥ 1.2 (mm/mm) | 1.2 (0.54, 2.63) | 0.667 |
| Relative aortic diameter quotient ≥ 50% | 0.9 (0.52, 1.49) | 0.641 |
| Relative aortic diameter difference ≥ 5 mm | 1.3 (0.57, 3.12) | 0.506 |
| Smoking-years* | 1.0 (0.99, 1.05) | 0.005 |
| Pack-years* | 1.0 (0.99, 1.06) | 0.025 |
| Current smoker | 1.6 (0.95, 2.62) | 0.081 |
| Ever smoker | 1.4 (0.67, 2.76) | 0.395 |
| Never smoker | 0.7 (0.36, 1.49) | 0.395 |
| First-degree relative with AAA | 1.9 (1.02, 3.54) | 0.043 |
| Coronary disease | 1.1 (0.65, 2.01) | 0.643 |
| Hypertension | 0.9 (0.52, 1.45) | 0.593 |
| Hyperlipidaemia | 1.1 (0.63, 1.77) | 0.830 |
| Diabetes mellitus | 0.9 (0.39, 2.13) | 0.831 |
Values in parentheses are 95% confidence intervals. *HRs are shown per unit increase. SAA, subaneurysmal aorta; AAA, abdominal aortic aneurysm.