Table 4 Univariate and multivariate logistic regression analysis of predictors of short-term mortality among all ICU admissions
Variables | Unadjusted odds ratio | p | Adjusted odds ratio | p |
|---|---|---|---|---|
(95% CI) | (95% CI) | |||
Age (years) | ||||
 18–44 | Reference |  | Reference |  |
 45–64 | 1.785 (1.608–1.982) | < 0.0001 | 1.513 (1.498–1.831) | < 0.0001 |
  ≥ 65 | 2.593 (2.446–2.574) | < 0.0001 | 2.308 (2.156–2.773) | < 0.0001 |
Gender | ||||
 Male | Reference |  |  |  |
 Female | 0.662 (0.579–0.757) | < 0.0001 | 0.779 (0.665–0.913) | 0.0021 |
Race/ethnicity | ||||
 White | Reference |  | Reference |  |
 Hispanic | 0.810 (0.720–0.912) | 0.0005 | NA |  |
 Black | 0.722 (0.643–0.810) | < 0.0001 | 0.813 (0.713–0.926) | 0.002 |
 Other | 1.014 (0.845–1.217) | 0.8773 | NA |  |
Health insurance | ||||
 Private | Reference |  | Reference |  |
 Medicare | 1.437 (1.315–1.608) | < 0.0001 | 1.153 (1.055–1.395) | 0.031 |
 Medicaid | 0.862 (0.509–0.911) | < 0.0001 | NA |  |
 No insurance | 1.714 (1.479–1.833) | < 0.0001 | 1.265 (1.017–1.573) | 0.0344 |
 Other | 0.912 (0.628–0.961) | 0.0091 | NA |  |
Deyo comorbidity index | 1.338 (1.312–1.364) | < 0.0001 | 1.183 (1.152–1.214) | < 0.0001 |
Transfer from another hospital | 2.521 (2.187–2.904) | < 0.0001 | 1.512 (1.269–1.803) | < 0.0001 |
Weekend admission | 1.005 (0.899–1.123) | 0.9229 | NA |  |
Teaching hospital | 1.212 (1.098–1.338) | 0.0001 | NA |  |
Number of organ dysfunctions | 2.710 (2.612–2.812) | < 0.0001 | 1.839 (1.750–1.933) | < 0.0001 |
Sepsis | 5.308 (4.818–5.848) | < 0.0001 | 1.505 (1.65–0.71) | < 0.0001 |
Year of admission | 1.035 (1.007–1.064) | 0.0132 | NA |  |