Table 2 Demographics of patients receiving coronary angiogram for alternate year included in the study, from 2004–2014.
Number of Cases | 2004 | 2006 | 2008 | 2010 | 2012 | 2014 |
|---|---|---|---|---|---|---|
195,071 | 217,748 | 221,160 | 228,890 | 251,015 | 265,300 | |
Age (year), Median IRQ | 66 (56–76) | 65 (55–76) | 65 (55–76) | 65 (55–75) | 65 (56–75) | 66 (56–75) |
Men % | 60.1% | 61.5% | 61.0% | 61.7% | 62.1% | 62.5% |
Ethnicity | ||||||
White | 56.4% | 55.8% | 59.4% | 65.4% | 70.8% | 71.0% |
Black | 7.3% | 7.1% | 7.8% | 10.6% | 10.7% | 10.6% |
Hispanic | 4.8% | 5.8% | 5.3% | 6.4% | 7.0% | 7.4% |
Asian/Pacific Islander | 1.1% | 1.1% | 1.6% | 1.7% | 1.8% | 2.0% |
Native American | 0.2% | 0.3% | 0.9% | 0.8% | 0.6% | 0.5% |
Other | 2.0% | 2.7% | 3.1% | 2.1% | 3.3% | 2.9% |
Missing Race | 28.2% | 27.2% | 21.8% | 13.1% | 5.8% | 5.5% |
Weekend admission | 24.0% | 24.2% | 25.0% | 25.7% | 25.0% | 25.6% |
Primary expected payer | ||||||
Medicare | 53.3% | 52.2% | 51.7% | 51.8% | 54.7% | 55.0% |
Medicaid | 5.7% | 5.7% | 6.1% | 7.2% | 6.9% | 8.8% |
Private Insurance | 32.8% | 32.8% | 32.3% | 30.7% | 27.5% | 27.8% |
Self-pay | 5.0% | 5.4% | 6.0% | 6.8% | 7.0% | 5.2% |
No charge | 0.6% | 0.7% | 0.6% | 0.5% | 0.6% | 0.6% |
other | 2.6% | 3.0% | 3.3% | 3.0% | 3.2% | 2.5% |
Median Household Income (percentile) | ||||||
0–25th | 26.4% | 26.4% | 28.3% | 31.1% | 32.1% | 30.3% |
26–50th | 28.1% | 26.6% | 29.4% | 28.0% | 26.5% | 29.5% |
51–75th | 23.3% | 25.1% | 22.9% | 23.2% | 22.8% | 22.5% |
76–100th | 22.2% | 21.9% | 19.3% | 17.7% | 18.6% | 17.7% |
Comorbidities, % | ||||||
Dyslipidaemia | 46.7% | 50.4% | 54.3% | 58.7% | 61.5% | 61.8% |
Smoking | 27.8% | 32.0% | 35.1% | 39.1% | 42.7% | 46.7% |
Previous AMI | 7.8% | 8.1% | 8.5% | 9.7% | 10.8% | 11.4% |
History of IHD | 80.8% | 80.6% | 82.0% | 82.3% | 82.3% | 81.0% |
Previous PCI | 7.3% | 8.9% | 10.0% | 12.2% | 13.8% | 15.3% |
Previous CABG | 5.6% | 5.3% | 5.4% | 5.6% | 6.2% | 6.5% |
Previous CVA | No data | No data | 2.8% | 4.2% | 4.7% | 5.5% |
Family history of CAD | 5.0% | 5.9% | 6.8% | 9.4% | 9.3% | 10.0% |
Valvular heart disease | 0.2% | 0.2% | 0.2% | 0.1% | 0.1% | 0.1% |
Peripheral vascular disease | 9.7% | 10.6% | 12.1% | 11.5% | 12.8% | 13.1% |
Use of assist devise or IABP | 4.1% | 4.0% | 4.5% | 4.2% | 4.3% | 3.9% |
Shock | 1.8% | 2.1% | 2.5% | 2.7% | 2.9% | 3.2% |
AIDS | 0.1% | 0.13% | 0.11% | 0.14% | 0.12% | 0.14% |
Alcohol abuse | 2.3% | 2.7% | 2.8% | 3.2% | 3.2% | 3.4% |
Deficiency anaemias | 8.9% | 10.0% | 13.5% | 13.9% | 15.0% | 14.9% |
Chronic Blood loss anaemia | 1.1% | 1.1% | 1.0% | 0.7% | 0.7% | 0.6% |
RA/collagen vascular | ||||||
Diseases | 1.6% | 1.9% | 2.2% | 2.2% | 2.4% | 2.6% |
Congestive heart failure | 0.7% | 0.6% | 0.4% | 0.6% | 0.5% | 0.4% |
Chronic pulmonary disease | 18.7% | 20.2% | 20.1% | 19.8% | 21.4% | 21.8% |
Coagulopathy | 3.1% | 3.2% | 3.6% | 4.5% | 5.0% | 5.2% |
Depression | 4.0% | 5.0% | 6.3% | 7.2% | 8.3% | 8.7% |
Diabetes | 26.7% | 27.8% | 29.7% | 30.6% | 32.8% | 33.2% |
Diabetes with complications | 4.5% | 4.9% | 5.6% | 6.1% | 7.1% | 7.7% |
Drug abuse | 1.3% | 1.9% | 1.9% | 2.2% | 2.5% | 2.8% |
Hypertension | 62.0% | 66.2% | 70.0% | 72.6% | 75.5% | 77.2% |
Hypothyroidism | 6.9% | 7.4% | 9.1% | 9.5% | 10.8% | 11.5% |
Liver disease | 0.7% | 0.8% | 1.1% | 1.2% | 1.5% | 1.8% |
Lymphomas | 0.4% | 0.4% | 0.5% | 0.4% | 0.5% | 0.5% |
Fluid and electrolyte disturbances | 10.9% | 12.8% | 15.3% | 16.5% | 18.4% | 20.1% |
Other neurological disorders | 2.8% | 3.3% | 4.0% | 3.9% | 4.5% | 4.9% |
Obesity | 8.9% | 9.9% | 13.7% | 14.6% | 18.1% | 19.9% |
Paralysis | 0.9% | 1.0% | 1.4% | 1.2% | 1.2% | 1.3% |
Psychoses | 1.2% | 1.2% | 2.0% | 2.0% | 2.3% | 2.5% |
Pulmonary circulation disorder | 0.03% | 0.03% | 0.1% | 0.1% | 0.07% | 0.07% |
Renal failure (chronic) | 6.4% | 12.7% | 14.4% | 16.5% | 17.8% | 19.1% |
Peptic ulcer disease | 0.07% | 0.06% | 0.04% | 0.02% | 0.03% | 0.02% |
Weight loss | 0.6% | 0.9% | 1.4% | 1.6% | 2.1% | 2.0% |
Solid tumour without Mets | 0.9% | 1.0% | 1.1% | 1.0% | 1.1% | 1.1% |
Metastatic cancer | 0.3% | 0.4% | 0.4% | 0.4% | 0.4% | 0.4% |
Dementia | 1.7% | 1.9% | 2.4% | 2.6% | 3.1% | 2.9% |
Comorbidities - Charlson Comorbidity Index | ||||||
0 | 38.4% | 38.4% | 35.6% | 34.2% | 31.6% | 30.2% |
1 | 33.9% | 33.9% | 34.0% | 32.9% | 32.1% | 31.6% |
2 | 18.4% | 18.2% | 19.0% | 19.8% | 20.4% | 21.0% |
≥3 | 9.3% | 9.3% | 11.4% | 13.1% | 15.9% | 17.2% |
Hospital bed size | ||||||
Small | 8.1% | 8.7% | 7.5% | 8.6% | 8.4% | 12.7% |
Medium | 19.6% | 21.4% | 20.0% | 18.8% | 24.3% | 28.9% |
Large | 72.3% | 69.9% | 72.5% | 72.6% | 67.3% | 58.3% |
Hospital Region | ||||||
Northeast | 22.0% | 18.8% | 16.4% | 17.4% | 16.7% | 17.0% |
Midwest | 24.1% | 22.2% | 25.3% | 26.1% | 23.8% | 24.1% |
South | 39.1% | 44.3% | 42.5%% | 38.8% | 42.9% | 42.2% |
West | 14.8% | 14.7% | 15.7% | 17.7% | 16.6% | 16.7% |
Location/Teaching status | ||||||
Rural | 5.2% | 4.4% | 7.8% | 10.1% | 6.8% | 5.7% |
Urban-non teaching | 38.2% | 39.6% | 40.5% | 40.3% | 38.2% | 27.5% |
Urban- teaching | 56.6% | 56.0% | 51.7% | 49.6% | 55.0% | 66.8% |
Length of stay, Median (IQR) | 4(2–7) | 3 (2–6) | 3 (2–6) | 3 (2–6) | 3 (2–6) | 3 (2–6) |
Total charge, $, Median (IQR) | 39109 (24353–64456) | 44175 (27482–71955) | 49439 (31005–81857) | 53105 (33083–88071) | 57393 (36054–94376) | 64487 (40537–105371) |
Bleeding complications | 11.5% | 11.3% | 11.7% | 10.5% | 10.0% | 8.5% |
Vascular complications | 1.4% | 1.5% | 1.5% | 1.1% | 1.1% | 1.1% |
Cardiac complication | 2.5% | 2.3% | 2.6% | 2.0% | 1.8% | 1.9% |
In-hospital mortality | 2.2% | 2.0% | 2.0% | 1.8% | 1.8% | 1.9% |
