Table 3.
Independent variables associated with mortality, length of stay, and cost of stay for TAAAD
| Variable | OR/estimate∗ | 95% CI | P value |
|---|---|---|---|
| In-hospital mortality | |||
| Age | 1.002 | 1.001-1.003 | <.0001 |
| Elixhauser comorbidity index | 1.029 | 1.003-1.056 | .027 |
| Race | |||
| White (reference) | |||
| Black/African American | 0.973 | 0.944-1.003 | .072 |
| Hispanic | 0.972 | 0.931-1.1013 | .2 |
| API | 1.002 | 0.946-1.062 | .933 |
| Median household income percentile | |||
| 0-25 | 1 | ||
| 26-50 | 1.015 | 0.984-1.048 | .346 |
| 51-75 | 1.224 | 0.929-1.614 | .367 |
| 76-100 | 1.047 | 0.787-1.392 | .720 |
| Insurance | |||
| Private insurance | 1 | ||
| Medicare | 1.024 | 0.992-1.057 | .137 |
| Medicaid | 1.022 | 0.988-1.057 | .214 |
| Self-pay | 1.075 | 1.021-1.131 | .006 |
| Other | 0.995 | 0.930-1.065 | .322 |
| Hypertension | 0.934 | 0.907-0.962 | <.0001 |
| Chronic ischemic heart disease | 1.039 | 1.011-1.068 | .006 |
| Preoperative shock | 1.211 | 1.179-1.243 | <.0001 |
| Chronic kidney disease | 0.999 | 0.970-1.028 | .937 |
| Aneurysm | 1.000 | 0.961-1.040 | .993 |
| Marfan syndrome | 1.04 | 0.957-1.131 | .351 |
| Length of stay | |||
| Elixhauser comorbidity index | 1.256 | 0.358-2.156 | .006 |
| Race | |||
| White (reference) | 1 | ||
| Black/African American | 0.327 | −0.725 to 1.380 | .5 |
| Hispanic | 1.615 | 0.142-3.088 | .032 |
| API | 0.452 | −1.566 to 2.471 | .66 |
| Insurance status | |||
| Private insurance | 1 | ||
| Medicare | 0.672 | −0.425 to 1.768 | .229 |
| Medicaid | 1.900 | 0.705-3.086 | .001 |
| Self-pay | −1.844 | −3.639 to −0.049 | .044 |
| Other | −3.285 | −9.016 to 2.446 | .261 |
| Median household income percentile | |||
| 0-25 | 1 | ||
| 26-50 | −2.0633 | −3.516 to −1.311 | <.0001 |
| 51-75 | −2.1297 | −3.619 to −1.433 | <.0001 |
| 76-100 | −1.2002 | −3.041 to −0.803 | .0348 |
| Hypertension | −1.701 | −2.738 to −0.664 | .001 |
| Chronic ischemic heart disease | −0.290 | −1.243 to 0.669 | .556 |
| Preoperative shock | 1.675 | 0.745-2.605 | <.0001 |
| Chronic kidney disease | 3.800 | 2.781-4.812 | <.0001 |
| Aneurysm | −0.955 | −2.322 to 0.413 | .171 |
| Marfan syndrome | 6.558 | 3.651-9.465 | <.0001 |
| Associated cost, USD | |||
| Elixhauser comorbidity index | 85,140.79 | 53,726.66-116,554.92 | <.0001 |
| Race | |||
| White (reference) | 1 | ||
| Black/African American | −3046.50 | −39,814.08 to 33,721.08 | .871 |
| Hispanic | 156,616.55 | 105,193.82-208,039.28 | <.0001 |
| API | 249,059.36 | 177,622.48-320,496.23 | <.0001 |
| Insurance status | |||
| Private insurance | 1 | ||
| Medicare | 11,087.86 | −4883.800 to 71,790.56 | .087 |
| Medicaid | 6171.81 | −17,133.25 to 66,078.58 | .249 |
| Self-pay | −17,023.80 | −120,779.43 to 4602.75 | .069 |
| Other | 19,325.53 | −244,740.33 to 155,398.20 | .662 |
| Median household income percentile, n (%) | |||
| 0-25 | 1 | ||
| 26-50 | −5020.85 | (−43,587.93, 33,546.23) | .799 |
| 51-75 | −19,933.29 | (−58,132.83, 18,266.25) | .306 |
| 76-100 | 41,412.52 | (2211.11, 80,613.93) | .038 |
| Hypertension | −63,238.99 | (−99,445.26, −27,032.71) | .0006 |
| Chronic ischemic heart disease | −31,608.43 | (−65,011.43, 1794.56) | .064 |
| Preoperative shock | 123,883.67 | (91,403.90, 156,363.44) | <.0001 |
| Chronic kidney disease | 128,167.62 | (92,702.63, 163,632.61) | <.0001 |
| Aneurysm | −46,862.50 | (−94,720.90, 995.91) | .055 |
| Marfan syndrome | 66,230.72 | −35,270.98 to 167,732.42 | .201 |
Italics denote statistical significance with P value <.05.
OR, Odds ratio; CI, confidence interval; API, Asian and Pacific Islander; TAAAD, type A acute aortic dissection.
∗
OR for in-hospital mortality; estimates for length of stay and associated cost.