Table 3.
Case fatality rates for acute myocardial infarction during the prepandemic and pandemic periods of 2020 and the same periods in 2019
| January 1–March 3, 2019 | January 1–March 3, 2020 | p Value | March 20–June 30, 2019 | March 20–June 30, 2020 | p Value | |
|---|---|---|---|---|---|---|
| AMI | n = 1308 | n = 1271 | — | n = 2388 | n = 2052 | — |
| In-hospital CFR, n (%) | 90 (7.0) | 86 (6.7) | 0.79 | 145 (6.1) | 182 (8.8) | < 0.001 |
| 30-Day post-discharge CFR, n (%) | 71 (5.5) | 67 (5.2) | 0.68 | 119 (5.0) | 135 (6.5) | 0.03 |
| NSTEMI | n = 1035 | n = 999 | — | n = 1867 | n = 1626 | — |
| In-hospital CFR, n (%) | 61 (6.0) | 60 (6.0) | 0.96 | 85 (4.6) | 128 (7.8) | < 0.001 |
| 30-Day postdischarge CFR, n (%) | 61 (6.0) | 53 (5.2) | 0.41 | 94 (5.2) | 117 (7.1) | 0.02 |
| STEMI | n = 435 | n = 430 | — | n = 818 | n = 665 | — |
| In-hospital CFR, n (%) | 41 (9.5) | 42 (9.7) | 0.91 | 80 (9.7) | 76 (11.5) | 0.28 |
| 30-Day postdischarge CFR, n (%) | 16 (3.7) | 19 (4.4) | 0.64 | 38 (4.6) | 35 (5.3) | 0.52 |
AMI = acute myocardial infarction; CFR = case fatality rate; NSTEMI = non-ST-segment elevation myocardial infarction; STEMI = ST-segment elevation myocardial infarction.