Table 5.
Variables | Odds ratio | 95% CI | p-value | ||
Lower limit | Upper limit | ||||
Age | 1.06 | 1.04 | 1.07 | 0.001 | |
Female | 1.24 | 0.92 | 1.66 | 0.16 | |
Hospital bed size | |||||
Small | Ref | ||||
Medium | 0.67 | 0.42 | 1.09 | 0.11 | |
Large | 0.90 | 0.59 | 1.37 | 0.63 | |
Hospital region | |||||
Northeast | Ref | ||||
Midwest | 1.02 | 0.63 | 1.64 | 0.95 | |
South | 1.27 | 0.83 | 1.95 | 0.27 | |
West | 1.39 | 0.87 | 2.21 | 0.17 | |
Elective | 1.09 | 0.69 | 1.72 | 0.71 | |
Household median income | |||||
1–28,999 | Ref | ||||
29,000–35,999 | 0.68 | 0.47 | 0.98 | 0.04 | |
36,000–46,999 | 0.61 | 0.42 | 0.89 | 0.01 | |
47,000+ | 0.50 | 0.33 | 0.75 | 0.001 | |
Diabetes | 1.64 | 1.21 | 2.23 | 0.001 | |
Hypertension | 0.79 | 0.56 | 1.13 | 0.21 | |
Ventricular arrhythmia | 3.25 | 2.36 | 4.48 | 0.001 | |
Prior CABG | 1.15 | 0.67 | 1.96 | 0.62 | |
Depression | 0.70 | 0.40 | 1.20 | 0.19 | |
Fluid and electrolyte disorders | 2.34 | 1.73 | 3.16 | 0.001 | |
Weight loss | 1.33 | 0.71 | 2.51 | 0.38 | |
Obesity | 0.66 | 0.44 | 0.99 | 0.04 | |
Coagulopathy | 1.61 | 1.08 | 2.40 | 0.02 | |
Rheumatological disorders | 0.33 | 0.08 | 1.38 | 0.13 | |
Liver disease | 3.28 | 2.08 | 5.15 | 0.001 | |
CKD | 1.26 | 0.90 | 1.77 | 0.18 | |
Chronic lung disease | 0.79 | 0.56 | 1.11 | 0.17 | |
Other neurological disorders | 2.42 | 1.63 | 3.59 | 0.001 | |
Paralysis | 0.58 | 0.17 | 1.97 | 0.38 | |
Peripheral vascular diseases | 1.48 | 1.04 | 2.10 | 0.03 | |
Pulmonary circulatory disorders | 2.01 | 1.20 | 3.39 | 0.01 | |
Valvular heart diseases | 0.66 | 0.43 | 1.02 | 0.06 | |
Congestive heart failure | 1.57 | 1.18 | 2.10 | 0.001 |
CABG, coronary artery bypass graft; CI, confidence interval; CKD, chronic kidney disease; ICD, implantable cardioverter defibrillator.
The model was constructed based on univariate regression, with a threshold of 0.2.
+Data on other races are not reported as this contained a cell count of 10.