Table 1.
Descriptive Data; Risk Factors and Comorbidities
| Variable | All Participants, n = 12,810 | Aortic Diameter ≥ 30 mm, n = 330 | Aortic Diameter < 30 mm, n = 12,480 | P-value* | Aortic Diameter 25–29 mm, n = 862 | P-value** |
|---|---|---|---|---|---|---|
| BMI > 25 | 65.5% | 75.2% | 65.3% | < 0.001 | 70.2% | 0.01 |
| BMI > 30 | 16.6% | 25.1% | 16.4% | < 0.001 | 20.8% | < 0.001 |
| ABI < 0.9 | 6.7% | 15.5% | 6.5% | < 0.001 | 8.2% | 0.017 |
| MI | 8.6% | 20.0% | 8.3% | < 0.001 | 8.6% | 0.377 |
| TIA | 2.9% | 4.5% | 2.9% | 0.063 | 3.4% | 0.218 |
| Stroke | 2.8% | 6.4% | 2.7% | < 0.001 | 3.6% | 0.056 |
| Hypertension | 40.2% | 53.0% | 39.9% | < 0.001 | 41.5% | 0.163 |
| Diabetes mellitus | 11.2% | 7.9% | 11.3% | 0.056 | 7.2% | < 0.001 |
| IC | 6.5% | 12.5% | 6.4% | < 0.001 | 7.7% | 0.061 |
| Current smoker | 16.8% | 39.7% | 16.2% | < 0.001 | 24.0% | < 0.001 |
| Past smoker | 43.6% | 45.2% | 43.6% | 0.306 | 43.6% | 0.506 |
| Family history of AAA | 8.3% | 17,3% | 8.1% | < 0.001 | 13.5% | < 0.001 |
| Statin | 33.1% | 48.8% | 32.7% | < 0.001 | 32.8% | 0.486 |
| ASA | 24.8% | 35.9% | 24.5% | < 0.001 | 25.9% | 0.175 |
Notes: Statistical significance was set at p-value ≤ 0.05, and significant p-values are presented in bold text. P-values are calculated for *Aortic diameter ≥ 30 mm versus aortic diameter < 30 mm, **Aortic diameter 25–29 mm versus aortic diameter < 25 mm.
Abbreviations: BMI, body mass index; ABI, ankle brachial index; MI, myocardial infarction; TIA, transitory ischemic attack; IC, intermittent claudication; ASA, acetylsalicylic acid.