Table 2.
Baseline Demographics/Procedural Characteristics of COVID-STEMI and BCIS STEMI Subgroups
| COVID-STEMI Total (n = 144) | BCIS 2018–2019 (n = 24,961) | p Value | |
|---|---|---|---|
| Mean age, yrs | 63.1 ± 12.6 | 65.6 ± 13.4 | 0.018 |
| Male | 77.8 (112/144) | 72.2 (17,972/24,961) | 0.14 |
| Hypertension | 64.8 (92/142) | 44.8 (9,456/24,961) | <0.001 |
| Hyperlipidemia | 46.0 (58/126) | 28.9 (6,039/24,961) | <0.001 |
| BMI, kg/m2 | 27.3 ± 4.5 | 27.8 ± 5.5 | 0.18 |
| Diabetes | 34.0 (49/144) | 20.9 (4,926/24,961) | <0.001 |
| Current smoker | 31.7 (39/123) | 33.7 (7,645/24,961) | 0.77 |
| Heart failure | 19.0 (27/142) | 2.8 (569/24,961) | <0.001 |
| Previous MI | 16.4 (23/140) | 13.0 (2747/24,961) | 0.056 |
| Previous PCI | 13.9 (20/144) | 10.2 (2,129/24,961) | 0.034 |
| Chronic kidney disease (stage 3–5) | 9.9 (14/141) | 3.6 (739/24,961) | <0.001 |
| Lung disease | 11.8 (16/135) | 13.4 (2,763/24,961) | 0.78 |
| Stroke | 7.6 (11/144) | 5.7 (1,178/24,961) | 0.11 |
| COVID-19 positive | 76.4 (110/144) | N/A | |
| COVID-19 suspected | 23.6 (34/144) | N/A | |
| SBP at admission, mm Hg | 119.5 ± 26.8 | 131.9 ± 27.5 | <0.001 |
| Heart rate at admission, beats/min | 86.0 ± 22.0 | 78.5 ± 20.1 | <0.001 |
| Troponin T, ng/l | 2224.0 (58.0–7,449.5) | 899.0 (100.0–3,745.0) | 0.15 |
| Troponin I, ng/l | 762.0 (50.0–23,037.0) | 61.4 (14.6–1,118.4) | 0.19 |
| LVEF, % | 39.7 ± 12.5 | N/A | |
| Procedure | |||
| Symptom onset to admission, min | 339.0 (175.0–1,481.5) | 173.0 (107.0–387.0) | <0.001 |
| Door-to-balloon time, min | 83.0 (37.0–336.0) | 37.0 (31.0–109.0) | <0.001 |
| Transradial access | 74.3 (107/144) | 87.4 (19,611/22,442) | <0.001 |
| Nonobstructive CAD | 2.8 (4/144) | N/A | |
| SYNTAX score | 16.5 ± 9.1 | N/A | |
| Thrombotic occlusion (TIMI grade 5) | 37.5 (54/144) | N/A | |
| Use of aspiration thrombectomy | 12.5 (18/144) | 17.1 (3,754/21,915) | 0.15 |
| Complete revascularization | 45.8 (66/144) | N/A | |
| Post-procedure | |||
| ICU admission | 45.8 (66/144) | N/A | |
| Ventilation | 20.8 (30/144) | 3.8 (863/22,442) | <0.001 |
| Pressor support | 27.1 (39/144) | 4.6 (1,001/21,720) | <0.001 |
| Mechanical support device, % | 5.6 (8/144) (ECMO = 3, IABP = 5) | 2.1 (459/21,720) | 0.012 |
Values are mean ± SD, % (n/N), or median (interquartile range). Denominators not equal to n = 144 are due to incomplete data. Incomplete timing data was recorded in 9% (13 of 144) of COVID-STEMI patients. Bold p values indicate statistical significance.
CAD = coronary artery disease; ECMO = extracorporeal membrane oxygenation; IABP = intra-aortic balloon pump; ICU = intensive care unit; N/A = data unavailable; TIMI = Thrombolysis In Myocardial Infarction; other abbreviations as in Table 1.