Table 1 Baseline characteristics of the ASCVD study cohort by the presence or absence of a statin prescription.
Characteristic at index date (N [% by column] unless otherwise noted; N = 56, 530) | Statin prescription present (N = 34,234) | Statin prescription absent (N = 22,296) | p value | |
---|---|---|---|---|
Age (years, mean ±SD) | 68.6 ± 11.6 | 65.5 ± 14.7 | <0.001 | |
Female | 12179 (35.6%) | 10054 (45.1%) | <0.001 | |
Race | Non-Hispanic White | 19086 (55.7%) | 13031 (58.4%) | <0.001 |
Non-Hispanic Black | 1687 (4.9%) | 1297 (5.8%%) | ||
Hispanic | 3167 (9.3%) | 2139 (9.6%) | ||
Non-Hispanic Asian | 5553 (16.2%) | 3028 (13.6%) | ||
Other | 3123 (9.1%) | 1656 (7.4%) | ||
Provider location | SHC | 20442 (59.7%) | 11152 (50.0%) | <0.001 |
UHA | 12226 (35.7%) | 9779 (43.9%) | ||
ValleyCare | 1552 (4.5%) | 1191 (5.3%) | ||
ASCVD type | Coronary artery | 20152 (58.9) | 7577 (34.0%) | <0.001 |
Cerebrovascular | 7155 (20.9) | 5484 (24.6%) | ||
Peripheral Arterial | 3117 (9.1) | 3072 (13.8%) | ||
Polyvascular | 3810 (11.1%) | 6163 (27.6%) | ||
Current smoking | 2006 (5.9%) | 925 (4.1%) | <0.001 | |
Hospitalizations in prior 1 year (N) | 3000 (8.8%) | 1831 (8.2%) | 0.022 | |
Insurance status | Private | 6984 (20.4%) | 5420 (24.3%) | <0.001 |
Medicare | 20097 (58.7%) | 11696 (52.4%) | ||
Medicaid | 2144 (6.3%) | 1529 (6.8%) | ||
PCSK9 inhibitors | 59 (0.2%) | 68 (0.3%) | 0.001 | |
Ezetimibe | 1697 (5.0%) | 292 (1.3%) | <0.001 | |
Total cholesterol (mg/dL, mean ± SD) | 167.2 ± 46.2 | 169.3 ± 39.8 | 0.698 | |
LDL-cholesterol level at index (mg/dl, mean ± SD) | 90.2 ± 38.3 | 107.9 ± 37.2 | <0.001 | |
Chronic kidney disease | 5286 (15.4%) | 2248 (10.0%) | <0.001 | |
Heart failure | 6091 (17.8%) | 2937 (13.2%) | <0.001 | |
Atrial fibrillation | 5565 (16.3%) | 3393 (15.2%) | 0.003 | |
Liver disease | 1966 (5.7%) | 1483 (6.7%) | <0.001 | |
Creatine kinase level (mean ± SD) | 252.3 ± 746.6 | 386.5 ± 1022 | 0.001 | |
Encounter specialties | Cardiology | 10906 (31.8%) | 7985 (35.8%) | <0.001 |
Internal medicine | 3176 (9.2%) | 1816 (8.1%) | ||
Family medicine | 2263 (6.6%) | 991 (4.4%) | ||
Vascular surgery | 1486 (4.3%) | 1093 (4.9%) | ||
Radiology | 1181 (3.5%) | 993 (4.4%) | ||
Neurosurgery | 664 (1.9%) | 1017 (4.6%) | ||
Primary care | 1106 (3.2%) | 459 (2.0%) | ||
Emergency medicine | 977 (2.8%) | 540 (2.4%) | ||
Neurology | 802 (2.3%) | 618 (2.8%) | ||
Anesthesiology | 791 (2.3%) | 510 (2.3%) | ||
Others | 10882 (31.8%) | 6274 (28.1%) |