Table 3.
Univariable and multivariable logistic regression for rupture status including iron related laboratory values within 1 year of diagnosis (N = 366).
| Characteristics | Univariable | Multivariable | Multivariable* | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | P-val. | OR (95% CI) | P-val. | OR (95% CI) | P-val. | |
| Female | 0.89 (0.53–1.52) | 0.68 | — | — | — | — |
| Black race (vs. white race) | 0.75 (0.39–1.43) | 0.38 | 1.08 (0.51–2.32) | 0.84 | 1.00 (0.47–2.12) | 0.99 |
| Hispanic race (vs. white race) | 1.24 (0.60–2.58) | 0.56 | 1.56 (0.67–3.62) | 0.30 | 1.43 (0.62–3.29) | 0.40 |
| Asian race (vs. white race) | 1.19 (0.31–4.55) | 0.80 | 2.13 (0.47–9.69) | 0.33 | 1.84 (0.41–8.36) | 0.43 |
| Other/unknown race (vs. white race) | 2.61 (1.06–6.44) | 0.04 | 3.91 (1.23–12.43) | 0.02 | 3.41 (1.16–10.04) | 0.03 |
| Age at diagnosis | 0.97 (0.96–0.99) | <0.01 | 0.97 (0.95–0.99) | <0.01 | 0.97 (0.95–0.99) | <0.01 |
| Coronary artery disease | 0.37 (0.16–0.88) | 0.02 | — | — | ||
| Myocardial infarction | 0.35 (0.13–0.97) | 0.04 | — | — | ||
| Hypertension | 0.77 (0.50–1.16) | 0.21 | — | — | ||
| Atrial fibrillation | 0.42 (0.14–1.32) | 0.14 | — | — | ||
| Number of aneurysms | 1.15 (0.89–1.50) | 0.28 | — | — | ||
| Family history aneurysms | 0.45 (0.22–0.92) | 0.03 | 0.48 (0.21–1.07) | 0.07 | 0.45 (0.20–1.01) | 0.05 |
| Current tobacco use (vs. not current) | 1.93 (1.22–3.06) | <0.01 | 1.63 (0.95–2.82) | 0.08 | 1.45 (0.85–2.48) | 0.17 |
| Current alcohol use (vs. not current) | 2.12 (1.36–3.29) | <0.01 | 2.65 (1.56–4.48) | <0.01 | 2.58 (1.52–4.37) | <0.01 |
| Iron (10−3 g/L) | 0.33 (0.18–0.60) | <0.01 | 0.52 (0.27–1.00) | 0.053 | 0.52 (0.27–0.99) | 0.05 |
| Ferritin (10−4 g/L) | 1.11 (1.04–1.19) | <0.01 | 1.02 (0.94–1.10) | 0.68 | 1.01 (0.93–1.10) | 0.77 |
| TIBC (10−3 g/L) | 0.39 (0.29–0.53) | <0.01 | 0.41 (0.28–0.60) | <0.01 | 0.41 (0.28–0.59) | <0.01 |
Multiple imputation (40 imputations) with chained equations was used for missing data.
*Complete cases only (N = 349).