Table 1.
Trends in Baseline Characteristics and Clinical Features at Presentation
| Y2020 (n = 227) | Y2021 (n = 359) | P Valuea | |
|---|---|---|---|
| Age <66 y | 126 (56.0) | 201 (56.0) | 0.9 |
| Male | 163 (72.0) | 268 (75.0) | 0.4 |
| History of CAD | 51 (24.0) | 88 (28.0) | 0.3 |
| Non-Caucasian | 137 (61.0) | 142 (42.0) | <0.001 |
| Dyslipidemia | 98 (45.0) | 145 (46.0) | 0.9 |
| Diabetes mellitus | 102 (46.0) | 135 (42.0) | 0.4 |
| BMI, kg/m2 | 29 ± 8 | 27 ± 10 | 0.5 |
| Overweight/obese | 156 (72.0) | 253 (77.0) | 0.2 |
| Hypertension | 165 (74.0) | 223 (65.0) | 0.025 |
| History of heart failure | 33 (16.0) | 51 (16.0) | 0.9 |
| Aspirin on admission | 88 (39.0) | 127 (35.0) | 0.4 |
| Statin on admission | 88 (39.0) | 123 (34.0) | 0.3 |
| CVRF ≥3 | 43 (19.0) | 77 (21.0) | 0.5 |
| Symptoms at presentation | |||
| Dyspnea | 126 (56.0) | 152 (42.0) | 0.002 |
| Chest pain | 115 (51.0) | 212 (59.0) | 0.046 |
| Syncope | 6 (2.6) | 16 (4.5) | 0.3 |
| Infiltrates | 106 (47.0) | 120 (33.0) | 0.001 |
| Cardiac arrest pre-PCI | 23 (11.0) | 24 (7.9) | 0.2 |
| Shock pre-PCI | 37 (18.0) | 38 (13.0) | 0.079 |
| Ejection fraction, % | 43 (35, 55) | 45 (34, 55) | 0.5 |
| In-house presentation of MI | 13 (5.7) | 26 (7.4) | 0.4 |
Values are n (%), mean ± SD, or median (25th percentile, 75th percentile).
BMI = body mass index; CAD = coronary artery disease; CVRF = cardiovascular risk factors; MI = myocardial infarction; PCI = percutaneous coronary intervention.
a
Not adjusted for multiple comparisons.