Table 2:
Univariate and multivariate logistic regression for myocardial infarction in trauma patients based on patient demographics, select medical comorbidities, type of trauma, and presence of new onset atrial fibrillation.
| Univariate OR (95% CI) | p-value | Multivariate OR (95% CI) | p-value | ||
|---|---|---|---|---|---|
| Demographics | |||||
| Age | 1.03 (1.03–1.03) | <0.001 | 1.02 (1.01–1.02) | <0.001 | |
| Sex | Men relative to women | 0.98 (0.94–1.03) | 0.4 | - | - |
| Primary insurance provider | Medicare/Medicaid | 2.60 (2.43–2.78) | <0.001 | 1.24 (1.15–1.34) | <0.001 |
| Private insurance | Referent | Referent | |||
| Self pay/unknown | 0.71 (0.61–0.81) | <0.001 | 1.00 (0.87–1.15) | 0.9 | |
| Medical comorbidities | |||||
| Obesity | 1.33 (1.23–1.43) | <0.001 | 1.15 (1.06–1.25) | 0.001 | |
| Diabetes mellitus | 1.84 (1.76–1.94) | <0.001 | 1.03 (0.97–1.10) | 0.3 | |
| Hypertension | 2.96 (2.82–3.11) | <0.001 | 1.60 (1.50–1.70) | <0.001 | |
| Congestive heart failure | 3.04 (2.84–3.24) | <0.001 | 1.22 (1.23–1.43) | <0.001 | |
| Valvular heart disorder | 2.03 (1.87–2.22) | <0.001 | 1.14 (1.23–1.44) | 0.005 | |
| Chronic renal failure | 1.96 (1.84–2.09) | <0.001 | 0.70 (0.65–0.74) | <0.001 | |
| Peripheral vascular disease | 2.09 (1.94–2.24) | <0.001 | 1.02 (0.94–1.11) | 0.7 | |
| Charlson comorbidity index | 1.27 (1.26–1.28) | <0.001 | 1.23 (1.22–1.24) | <0.001 | |
| CHA2DS2VASc score | 1.46 (1.44–1.48) | <0.001 | 1.01 (0.98–1.04) | 0.5 | |
| Trauma type | |||||
| Transportation | 0.92 (0.88–0.96) | <0.001 | 0.93 (0.88–0.99) | 0.02 | |
| Falls | 1.66 (1.58–1.73) | <0.001 | 1.08 (1.01–1.14) | 0.02 | |
| Nature | 0.42 (0.32–0.54) | <0.001 | 0.82 (0.62–1.07) | 0.1 | |
| Accident | 0.83 (0.78–0.90) | <0.001 | 1.03 (0.94–1.12) | 0.6 | |
| Suicide/self inflicted | 0.40 (0.35–0.46) | <0.001 | 0.96 (0.82–1.12) | 0.6 | |
| Homicide/purposefully inflicted | 0.30 (0.24–0.37) | <0.001 | 0.88 (0.68–1.15) | 0.3 | |
| Legal intervention | 0.71 (0.32–1.59) | 0.4 | - | - | |
| Accidentally inflicted | 0.76 (0.56–1.26) | 0.3 | - | - | |
| War | 5.02 (1.22–30.61) | 0.02 | 5.89 (1.37–25.2) | 0.02 | |
| New onset atrial fibrillation | 4.14 (3.75–4.55) | <0.001 | 2.35 (2.13–2.60) | <0.001 | |
CHA2DS2VASc, congestive heart failure, hypertension, age, diabetes, previous stroke/transient ischemic attack, vascular disease, and sex; CI, confidence interval; OR, odds ratio.