Table 2.
Univariate and Multivariate Analysis of Risk Factors for Hospital Mortality in Training Cohort
| Univariate Analysis | P value | Multivariate Analysis | P value | |||||
|---|---|---|---|---|---|---|---|---|
| Odds Ratio | 95% CI | Odds Ratio | 95% CI | |||||
| Lower | Upper | Lower | Upper | |||||
| Age | 1.033 | 1.024 | 1.043 | <0.001 | 1.036 | 1.024 | 1.048 | <0.001 |
| Gender | 0.751 | 0.598 | 0.945 | 0.014 | 0.916 | 0.697 | 1.204 | 0.530 |
| Ethnicity | 1.184 | 0.995 | 1.421 | 0.063 | ||||
| Black | Ref | Ref | Ref | Ref | ||||
| Hispanic | 1.294 | 0.622 | 2.691 | 0.490 | ||||
| White | 1.876 | 0.988 | 3.083 | 0.056 | ||||
| Others | 1.392 | 0.734 | 2.642 | 0.311 | ||||
| Congestive HF | 1.696 | 1.329 | 2.156 | <0.001 | 1.176 | 0.871 | 1.591 | 0.289 |
| Valvular disease | 1.573 | 0.984 | 2.424 | 0.048 | 0.988 | 0.583 | 1.673 | 0.964 |
| PVD | 1.866 | 1.239 | 2.739 | 0.002 | 1.749 | 1.107 | 2.764 | 0.017 |
| Hypertension | 1.219 | 0.954 | 1.568 | 0.119 | ||||
| Diabetes | 1.253 | 0.968 | 1.609 | 0.082 | ||||
| HC | 0.543 | 0.298 | 0.914 | 0.032 | 0.655 | 0.352 | 1.217 | 0.180 |
| Prior MI | 0.973 | 0.724 | 1.290 | 0.852 | ||||
| Atrial fibrillation | 2.318 | 1.783 | 2.996 | <0.001 | 1.551 | 1.140 | 2.109 | 0.005 |
| Cardiogenic_shock | 3.432 | 2.441 | 4.776 | <0.001 | 1.553 | 1.022 | 2.361 | 0.039 |
| Cardiac arrest | 5.172 | 3.904 | 6.829 | <0.001 | 3.869 | 2.765 | 5.414 | <0.001 |
| SBP | 0.987 | 0.982 | 0.992 | <0.001 | / | / | / | / |
| MBP | 0.983 | 0.977 | 0.990 | <0.001 | / | / | / | / |
| DBP | 0.986 | 0.979 | 0.993 | <0.001 | / | / | / | / |
| Norepinephrine | 3.057 | 2.225 | 4.159 | <0.001 | 2.013 | 1.386 | 2.923 | <0.001 |
| Dopamine | 1.250 | 0.364 | 3.290 | 0.683 | ||||
| Epinephrine | 2.321 | 1.023 | 4.796 | 0.031 | 2.230 | 0.896 | 5.551 | 0.085 |
| Urine output | ||||||||
| <100mL | Ref | Ref | Ref | Ref | Ref | Ref | Ref | Ref |
| 100–400mL | 1.582 | 1.011 | 2.475 | 0.045 | 1.635 | 0.981 | 2.723 | 0.059 |
| 400–2500mL | 0.726 | 0.551 | 0.955 | 0.022 | 0.800 | 0.580 | 1.102 | 0.172 |
| >2500mL | 0.314 | 0.314 | 0.446 | <0.001 | 0.344 | 0.229 | 0.516 | <0.001 |
| TnT | 1.003 | 1.001 | 1.005 | 0.004 | 1.003 | 1.000 | 1.006 | 0.060 |
| CKMB | 1.001 | 1.001 | 1.002 | 0.001 | 1.001 | 0.999 | 1.006 | 0.427 |
| WBC | 1.054 | 1.040 | 1.069 | <0.001 | 1.019 | 1.004 | 1.034 | 0.013 |
| PLT | 1.000 | 0.998 | 1.568 | 0.642 | ||||
| RBC | 0.552 | 0.472 | 0.644 | <0.001 | 0.730 | 0.587 | 0.908 | 0.005 |
| Hb | 0.887 | 0.844 | 0.933 | <0.001 | 1.086 | 1.004 | 1.174 | 0.005 |
| RDW | 1.228 | 1.171 | 1.288 | <0.001 | 1.172 | 1.101 | 1.127 | <0.001 |
| BUN | 1.019 | 1.015 | 1.024 | <0.001 | 1.004 | 0.996 | 1.011 | 0.327 |
| Creatinine | 1.176 | 1.116 | 1.239 | <0.001 | 1.019 | 0.928 | 1.116 | 0.704 |
| Glucose | 1.003 | 1.002 | 1.004 | <0.001 | 1.002 | 1.001 | 1.003 | <0.001 |
| Potassium | 1.603 | 1.407 | 1.825 | <0.001 | 1.025 | 0.860 | 1.223 | 0.781 |
| Sodium | 1.061 | 1.036 | 1.087 | <0.001 | 1.016 | 0.990 | 1.043 | 0.232 |
| Bicarbonate | 0.889 | 0.864 | 0.916 | <0.001 | 0.923 | 0.894 | 0.953 | <0.001 |
| Magnesium | 2.456 | 1.893 | 3.206 | <0.001 | 2.036 | 1.530 | 2.711 | <0.001 |
Notes: Gender, congestive HF, valvular disease, PVD, hypertension, diabetes, HC, prior MI, atrial fibrillation, cardiogenic_shock, cardiac arrest were binary variables. Ethnicity and urine output were set as polytomous variables.
Abbreviation: Ref, Reference.