Table 1 Baseline characteristics of patients receiving medical management compared to those receiving coronary angiogram.
Patients receiving medical management | Patients receiving coronary angiogram | |
|---|---|---|
Number of Cases weighted (%age) | 1,862,123 (42.5%) | 2,518,704 (57.5%) |
Age (year), Median IRQ | 72 (63–85) | 65 (46–75) |
Men % | 49.7% | 61.7% |
Ethnicity | ||
White | 63.2% | 63.3% |
Black | 10.0% | 9.0% |
Hispanic | 6.4% | 6.2% |
Asian/Pacific Islander | 1.8% | 1.6% |
Native American | 0.4% | 0.5% |
Other | 2.2% | 2.7% |
Missing Race | 16.0% | 16.7% |
Weekend admission | 26.8% | 25.0% |
Primary expected payer, % | ||
Medicare | 72.2% | 53.3% |
Medicaid | 5.7% | 6.6% |
Private Insurance | 16.2% | 30.3% |
Self-pay | 3.6% | 6.2% |
No charge | 0.3% | 0.7% |
other | 1.9% | 2.9% |
Median Household Income (percentile) | ||
0–25th | 30.2% | 29.2% |
26–50th | 27.0% | 27.7% |
51–75th | 22.7% | 23.9% |
76–100th | 20.1% | 19.2% |
Comorbidities, % | ||
Dyslipidaemia | 37.5% | 56.4% |
Smoking | 22.4% | 37.9% |
Previous AMI | 9.5% | 9.4% |
History of IHD | 42.6% | 81.7% |
Previous PCI | 7.7% | 11.5% |
Previous CABG | 10.1% | 5.8% |
Previous CVA | 4.0% | 3.1% |
Family history of CAD | 3.7% | 8.0% |
Valvular heart disease | 0.4 | 0.1 |
Peripheral vascular disease | 11.9% | 11.9% |
Use of assist devise or IABP | 0.5% | 4.2% |
Shock | 2.2% | 2.6% |
AIDS | 0.12% | 0.13% |
Alcohol abuse | 2.4% | 2.9% |
Deficiency anaemias | 20.3% | 13.2% |
Chronic Blood loss anaemia | 1.6% | 0.8% |
RA/collagen vascular | ||
diseases | 2.4% | 2.2% |
Congestive heart failure | 1.3% | 0.5% |
Chronic pulmonary disease | 25.4% | 20.6% |
Coagulopathy | 4.4% | 4.2% |
Depression | 7.8% | 6.8% |
Diabetes | 30.1% | 30.3% |
Diabetes with complications | 7.5% | 6.1% |
Drug abuse | 1.8% | 2.2% |
Hypertension | 68.2% | 70.9% |
Hypothyroidism | 12.6% | 9.4% |
Liver disease | 1.4% | 1.2% |
Lymphomas | 0.7% | 0.4% |
Fluid and electrolyte disturbances | 25.1% | 16.1% |
Other neurological disorders | 9.1% | 4.0% |
Obesity | 9.1% | 14.6% |
Paralysis | 2.6% | 1.2% |
Psychoses | 2.7% | 1.9% |
Pulmonary circulation disorder | 0.2% | 0.06% |
Renal failure (chronic) | 24.8% | 15.0% |
Peptic ulcer disease | 0.05% | 0.04% |
Weight loss | 3.2% | 1.5% |
Solid tumor without mets | 2.0% | 1.1% |
Metastatic cancer | 1.5% | 0.4% |
Dementia | 12.9% | 2.5% |
Charlson Comorbidity Index | ||
0 | 23.0% | 34.5% |
1 | 31.5% | 32.8% |
2 | 24.6% | 19.5% |
≥3 | 20.9% | 13.1% |
Hospital bed size | ||
Small | 16.3% | 8.0% |
Medium | 28.3% | 21.7% |
Large | 55.4% | 70.3% |
Hospital Region | ||
Northeast | 25.8% | 17.9% |
Midwest | 20.1% | 24.4% |
South | 38.8% | 42.4% |
West | 15.2% | 15.3% |
Location/Teaching status | ||
Rural | 18.0% | 6.6% |
Urban-non teaching | 47.2% | 39.0% |
Urban- teaching | 34.8% | 54.4% |
Length of stay, Median (IQR) | 3 (2–6) | 3 (2–6) |
Total charge, $, Median (IQR) | 18078 (9841–34417) | 51433 (31694–85583) |
Bleeding complications | 11.9% | 10.7% |
Vascular complications | 0.3% | 1.4% |
Cardiac complication | 0.5% | 2.1% |
In-hospital mortality | 6.6% | 1.9% |
