Table 2.
Baseline Demographic and Clinical Characteristics Before, During, and Following Release of Guidelines
| Month −12 to −2 (N=45 179) | Month −1 to 1 (N=8576) | Month 2 to 13 (N=36 532) | Total (N=90 287) | |
|---|---|---|---|---|
| Age, mean y (SD) | 69.2 (11.5) | 67.3 (11.7) | 67.6 (11.7) | 68.4 (11.6) |
| Male, n (%) | 22 857 (50.6) | 4256 (49.6) | 18 014 (49.3) | 45 127 (50.0) |
| Insurance type, n (%) | ||||
| Commercial | 12 863 (28.5) | 2866 (33.4) | 11 754 (32.2) | 27 483 (30.4) |
| Medicare advantage | 32 316 (71.5) | 5710 (66.6) | 24 778 (67.8) | 62 804 (69.6) |
| Geographical region, n (%) | ||||
| Northeast | 12 725 (28.2) | 2210 (25.8) | 8226 (22.5) | 23 161 (25.7) |
| Midwest | 5396 (11.9) | 915 (10.7) | 4240 (11.6) | 10 551 (11.7) |
| South | 23 651 (52.4) | 4734 (55.2) | 21 150 (57.9) | 49 535 (54.9) |
| West | 3407 (7.5) | 717 (8.4) | 2916 (8.0) | 7040 (7.8) |
| Index ASCVD condition, n (%)a | ||||
| Acute coronary syndrome | 2092 (4.6) | 455 (5.3) | 2020 (5.5) | 4567 (5.1) |
| History of MI | 881 (2.0) | 228 (2.7) | 1054 (2.9) | 2163 (2.4) |
| Stable or unstable angina | 5720 (12.7) | 1075 (12.5) | 4727 (12.9) | 11 522 (12.8) |
| History of coronary revascularization | 5445 (12.1) | 1089 (12.7) | 4444 (12.2) | 10 978 (12.2) |
| Peripheral artery revascularization | 26 513 (58.7) | 4785 (55.8) | 19 960 (54.6) | 51 258 (56.8) |
| Peripheral artery disease | 176 (0.4) | 35 (0.4) | 143 (0.4) | 354 (0.4) |
| TIA or stroke | 6598 (14.6) | 1358 (15.8) | 6083 (16.7) | 14 039 (15.6) |
ASCVD indicates atherosclerotic cardiovascular disease; MI, myocardial infarction; TIA, transient ischemic attack.
a
May add up to >100%, as patients could have had multiple conditions on their index date.