Table 3.
Comparison of Acute Coronary Syndrome Categories Between the Study Period (2020) and the Control Period (2019)
| All, n (%) | Study Period, 2020 | Control Period, 2019 | OR (95% CI) | P | |
|---|---|---|---|---|---|
| Acute Coronary Syndrome | |||||
| Unstable angina, n (%) IRR (95% CI) |
479 (19) | 211 (21) | 268 (18) | 1.21 (0.99-1.48) | 0.06 |
| 0.79 (0.66-0.94) | |||||
| NSTEMI, n (%) IRR (95% CI) |
1126 (46) | 406 (41) | 720 (49) | 0.72 (0.61-0.85) | <0.0001 |
| 0.56 (0.50-0.64) | |||||
| STEMI, n (%) IRR (95% CI) |
841 (34) | 368 (37) | 473 (32) | 1.24 (1.05-1.48) | 0.01 |
| 0.78 (0.68-0.89) | |||||
IRR = incident rate ratio; 95%CI = 95% confidence interval; NSTEMI = non-ST segment elevation myocardial infarction; STEMI = ST elevation myocardial infarction.