Table 4.
Bivariate analysis of Elixhauser comorbidities (n = 14,007,813)
| Comorbidity | Total cohort (%) | Mortality cohort (%) | p value |
|---|---|---|---|
| Congestive heart failure | 5.0 | 4.6 | < 0.001 |
| Cardiac arrhythmias | 8.1 | 2.7 | < 0.001 |
| Valvular disease | 3.0 | 1.1 | < 0.001 |
| Pulmonary circulation disorders | 0.50 | 5.8 | < 0.001 |
| Peripheral vascular disorders | 1.5 | 1.3 | < 0.001 |
| Hypertension (uncomplicated) | 38 | 0.3 | < 0.001 |
| Hypertension (complicated) | 1.9 | 2.1 | < 0.001 |
| Paralysis | 0.70 | 2.6 | < 0.001 |
| Other neurologic disorders | 1.9 | 1.6 | < 0.001 |
| Chronic pulmonary disease | 11 | 1.2 | < 0.001 |
| Diabetes (uncomplicated) | 11 | 0.50 | < 0.001 |
| Diabetes (complicated) | 1.2 | 3.6 | < 0.001 |
| Hypothyroidism | 7.6 | 0.30 | < 0.001 |
| Renal failure | 1.3 | 5.0 | < 0.001 |
| Liver disease | 0.60 | 1.2 | < 0.001 |
| Peptic ulcer disease (excluding bleeding) | 0.70 | 0.10 | < 0.001 |
| AIDS/HIV infection | 0.10 | 0 | < 0.001 |
| Lymphoma | 0.20 | 0.70 | 0.56 |
| Metastatic cancer | 0.50 | 4.5 | < 0.001 |
| Solid tumor without metastasis | 0.80 | 3.6 | < 0.001 |
| Rheumatoid arthritis/collagen vascular diseases | 3.2 | 0.20 | < 0.001 |
| Coagulopathy | 1.1 | 1.7 | < 0.001 |
| Obesity | 4.8 | 0 | < 0.001 |
| Weight loss | 0.70 | 9.0 | < 0.001 |
| Fluid and electrolyte disorders | 7.6 | 2.2 | < 0.001 |
| Blood loss anemia | 1.6 | 0.70 | < 0.001 |
| Deficiency anemia | 0.90 | 0.20 | < 0.001 |
| Alcohol abuse | 1.1 | 0.60 | < 0.001 |
| Drug abuse | 0.70 | 0.70 | 0.18 |
| Psychoses | 0.70 | 0.50 | < 0.001 |
| Depression | 4.4 | 0.40 | < 0.001 |