Table 9.
Characteristics of 5468 Patients Taking Statins Prior to Their Coronary Heart Disease Events (Prevalent Statin Users)
| Categories of CHD Event | ||||
|---|---|---|---|---|
| AMI, Primary Discharge Diagnosis (n=2460) | AMI, Secondary Discharge Diagnosis (n=1140) | PCI (n=1264) | CABG (n=604) | |
| Calendar year | ||||
| 2007 | 31.8 | 26.8 | 32.8 | 31.6 |
| 2008 | 35.9 | 36.1 | 36.5 | 33.1 |
| 2009 | 32.2 | 37.1 | 30.8 | 35.3 |
| Age group, y | ||||
| 66 to 69 | 16.9 | 13.0 | 26.5 | 27.8 |
| 70 to 74 | 19.9 | 16.9 | 26.9 | 28.5 |
| 75 to 79 | 22.9 | 19.4 | 22.1 | 25.8 |
| 80 to 84 | 19.8 | 24.3 | 16.3 | 14.2 |
| ≥85 | 20.5 | 26.4 | 8.2 | 3.6 |
| Men | 31.5 | 27.5 | 38.6 | 48.2 |
| Race or ethnicity | ||||
| Black | 9.6 | 11.8 | 8.5 | 5.1 |
| White | 84.3 | 80.2 | 84.9 | 89.9 |
| Other | 6.1 | 8.0 | 6.6 | 5.0 |
| Socioeconomic status | ||||
| Low‐income subsidy for Medicare Part D premiums | 46.7 | 52.9 | 39.7 | 28.8 |
| Medicaid eligibility | 31.0 | 38.0 | 28.4 | 20.9 |
| Comorbidities | ||||
| History of hyperlipidemia | 71.2 | 69.0 | 81.0 | 87.8 |
| History of diabetes | 42.4 | 20.6 | 49.1 | 40.9 |
| History of stroke | 4.5 | 5.2 | 3.8 | 2.5 |
| History of renal disease | 14.3 | 20.3 | 13.8 | 12.1 |
| History of depression | 13.7 | 20.4 | 14.3 | 11.6 |
| Charlson comorbidity index | ||||
| 0 | 20.7 | 13.8 | 19.9 | 16.6 |
| 1 to 3 | 43.5 | 39.1 | 43.1 | 50.0 |
| ≥4 | 35.7 | 47.1 | 37.0 | 33.4 |
| Hospitalization for any cause during baseline | 33.1 | 47.6 | 58.9 | 82.5 |
| Nursing home residence | 10.1 | 19.2 | 3.5 | –* |
| Skilled nursing facility stay | 9.8 | 18.4 | 4.8 | 2.3 |
| Most recent cardiologist care | ||||
| None | 81.9 | 79.5 | 53.6 | 43.1 |
| <31 days of index event | 4.0 | 5.5 | 33.3 | 41.4 |
| ≥31 to 365 days of index event | 14.1 | 15.0 | 13.1 | 15.6 |
| Number of medications* | ||||
| 0 | n/a | n/a | n/a | n/a |
| 1 to 5 | 11.5 | 8.0 | 10.1 | 16.1 |
| 6 to 10 | 32.8 | 26.4 | 34.3 | 38.6 |
| >10 | 55.7 | 65.6 | 55.6 | 45.4 |
| Filled nonstatin lipid‐lowering drugs | 19.2 | 15.9 | 22.2 | 20.7 |
| Duration of hospitalization for the index CHD event, days | ||||
| 0 to 7 | 66.4 | 39.2 | 94.2 | 46.9 |
| 8 to 14 | 25.4 | 39.4 | 4.5 | 40.7 |
| 15 to 30 | 8.3 | 21.4 | 1.3 | 12.4 |
| Hospitalization during 90 days following discharge | 31.4 | 36.3 | 30.7 | 26.7 |
Data are shown as percentages. All variables except duration of hospitalization for the index CHD event and hospitalization during 90 days following discharge are derived using data from the 365 days prior to the index CHD event. AMI indicates acute myocardial infarction; CABG, coronary artery bypass grafting; CHD, coronary heart disease; n/a, not available; PCI, percutaneous coronary intervention.
*
Calculated as number of medications distinguished by unique generic drug names during the year prior to the index event.
*
Centers for Medicare and Medicaid Services policy requires suppression of cell sizes <11.