Table 1.
Patient Characteristics Stratified by Change in Statin Adherence After AMI
| Patient Characteristics | Total | Adherence Change | ||
|---|---|---|---|---|
| Decrease | No Change | Increase | ||
| N=113 296 | n=18 502 | n=72 510 | n=22 284 | |
| No. (%) | % | % | % | |
| Age, y | ||||
| Mean±SD | 77.3±7.4 | 77.7±7.4 | 77.4±7.4 | 76.5±7.1a |
| 66 to 75 | 51 010 (45.0) | 42.6 | 44.3 | 49.3a |
| 76 to 85 | 44 751 (39.5) | 40.2 | 39.7 | 38.2 |
| 86+ | 17 535 (15.5) | 17.2 | 16.0 | 12.5 |
| Women | 61 555 (54.3) | 55.1 | 53.7 | 55.7 |
| Race/ethnicity | ||||
| White | 95 481 (84.3) | 83.8 | 85.5 | 80.5a |
| Black | 9700 (8.6) | 9.0 | 7.7 | 10.9a |
| Hispanic | 3413 (3.0) | 3.2 | 2.6 | 4.0 |
| Asian | 2504 (2.2) | 1.9 | 2.2 | 2.5 |
| Other | 2198 (1.9) | 2.1 | 1.9 | 2.1 |
| Dual eligibilityb | 28 462 (25.1) | 23.6 | 24.9 | 27.1 |
| Baseline CCI | ||||
| Mean±SD | 2.5±2.3 | 2.8±2.4a | 2.5±2.3 | 2.4±2.3 |
| 0 | 22 608 (20.0) | 17.4 | 19.8 | 22.6 |
| 1 or 2 | 43 540 (38.4) | 36.5 | 38.7 | 39.3 |
| 3 to 5 | 34 947 (30.8) | 33.1 | 31.0 | 28.5 |
| 6 to 8 | 9868 (8.7) | 10.4 | 8.6 | 7.6 |
| ≥9 | 2333 (2.1) | 2.6 | 2.0 | 1.9 |
| Baseline comorbidities | ||||
| Prior AMIc | 5228 (4.6) | 5.4 | 4.6 | 4.0 |
| Dementia/Alzheimer's diseased | 11 574 (10.2) | 12.1 | 9.9 | 9.7 |
| Depression | 17 464 (15.4) | 17.3 | 15.0 | 15.3 |
| CABG | 1136 (1.0) | 1.1 | 1.0 | 1.0 |
| PTCA/stent | 7441 (6.6) | 7.2 | 6.6 | 5.8 |
| IHD | 68 689 (60.6) | 64.1 | 61.4 | 55.4a |
| Rhabdomyolysis/myopathy | 7553 (6.7) | 7.6 | 6.3 | 7.0 |
| Index admission | ||||
| CABG | 6988 (6.2) | 5.3 | 6.0 | 7.6 |
| PTCA/stent | 41 596 (36.7) | 30.3a | 36.4 | 43.1a |
| Cardiac catheterization | 64 954 (57.3) | 51.4a | 56.8 | 63.9a |
| Cardiac dysrhythmias | 35 365 (31.2) | 31.7 | 31.6 | 29.4 |
| Acute renal failure | 17 876 (15.8) | 17.7 | 15.5 | 14.9 |
| Length of stay, d | ||||
| Mean±SD | 5.3±5.0 | 5.7±5.8 | 5.2±4.8 | 5.3±4.9 |
| 1 to 3 | 49 896 (44.0) | 40.6 | 44.7 | 44.9 |
| 4 to 6 | 35 187 (31.1) | 31.6 | 31.1 | 30.4 |
| 7 to 11 | 19 525 (17.2) | 18.9 | 17.0 | 16.7 |
| 12+ | 8688 (7.7) | 8.8 | 7.3 | 8.1 |
| 30‐d follow‐up | ||||
| None | 17 186 (15.2) | 15.8 | 15.1 | 14.9 |
| PCP onlye | 33 332 (29.4) | 31.0 | 29.4 | 28.0 |
| Cardiologist only | 20 292 (17.9) | 16.2 | 18.1 | 18.8 |
| Both | 42 486 (37.5) | 37.0 | 37.4 | 38.3 |
See Table S1 for a full list of patient characteristics. AMI indicates acute myocardial infarction; CABG, coronary artery bypass surgery; IHD, ischemic heart disease; PCP, primary care provider; PTCA, percutaneous transluminal coronary angioplasty; SD, standard deviation.
a
Absolute standardized difference ≥0.10 with no change in statin adherence as the reference group.
b
Enrolled in Medicare and Medicaid.
c
Charlson Comorbidity Index (CCI) definition.
d
Medicare Chronic Condition Data Warehouse definition.
e
Primary care physician, physician assistant, or nurse practitioner.