TABLE 4.
Variables | OR | LL | UL | P‐value |
---|---|---|---|---|
Year 2014 vs 2005 | 1.391 | 1.271 | 1.521 | <.0001 |
Age | 1.055 | 1.053 | 1.057 | <.0001 |
Female | 0.689 | 0.658 | 0.721 | <.0001 |
Comorbidities | ||||
Hyperlipidemia | 1.116 | 1.06 | 1.175 | <.0001 |
History of hypertension | 1.205 | 1.155 | 1.257 | <.0001 |
Diabetes mellitus | 0.936 | 0.889 | 0.985 | .0116 |
Chronic pulmonary disease | 1.183 | 1.132 | 1.238 | <.0001 |
Peripheral vascular disease | 1.133 | 1.035 | 1.239 | .0069 |
Neurological disorder or paralysis | 0.988 | 0.928 | 1.053 | .718 |
Hematological or oncological malignancy | 1.088 | 1.006 | 1.177 | .0339 |
Anemia | 0.964 | 0.922 | 1.007 | .0963 |
Obesity | 1.504 | 1.391 | 1.627 | <.0001 |
Coronary artery disease | 1.46 | 1.375 | 1.549 | <.0001 |
History of previous myocardial infarction | 1.178 | 1.087 | 1.276 | <.0001 |
History of previous CABG | 1.099 | 0.985 | 1.225 | .0909 |
Congestive heart failure | 3.345 | 3.192 | 3.505 | <.0001 |
Renal failure | 1.397 | 1.331 | 1.465 | <.0001 |
Hospital course | ||||
Use of vasopressor | 1.817 | 1.503 | 2.196 | <.0001 |
Cardiac catheterization | 1.748 | 1.602 | 1.907 | <.0001 |
Endotracheal intubation | 2.261 | 2.11 | 2.424 | <.0001 |
CPR | 1.916 | 1.642 | 2.234 | <.0001 |
Cardiogenic shock | 3.18 | 2.63 | 3.847 | <.0001 |
Cardiac arrest | 2.966 | 2.573 | 3.42 | <.0001 |
Median household income category for patient's zip code | ||||
0‐25th percentile | Referent | Referent | Referent | |
26‐50th percentile | 1.111 | 1.058 | 1.166 | .0499 |
51‐75th percentile | 1.233 | 1.171 | 1.299 | .0002 |
76‐100th percentile | 1.279 | 1.203 | 1.359 | <.0001 |
Primary payer | ||||
Medicare/medicaid | Referent | Referent | Referent | |
Private including HMO | 1.201 | 1.141 | 1.264 | <.0001 |
Self pay/no charge/other | 0.843 | 0.786 | 0.905 | <.0001 |
Elective vs nonelective | 0.808 | 0.757 | 0.862 | <.0001 |
weekdays vs weekend | 1.016 | 0.971 | 1.064 | .4938 |
Hospital bed size | ||||
Small | Referent | Referent | Referent | |
Medium | 1.115 | 1.038 | 1.198 | .0261 |
Large | 1.111 | 1.04 | 1.186 | .021 |
Teaching vs nonteaching | 0.971 | 0.932 | 1.011 | .1489 |
Abbreviations: CABG, coronary artery bypass graft; CPR, cardiopulmonary resuscitation; HMO, Health Maintenance Organization.