TABLE 4.
Baseline and clinical characteristics of patients enrolled in 2020 according to reperfusion treatment
| Variable | Nonreperfusion group (N = 47) | Reperfusion group (N = 26) | Difference (95% CI) | P value |
|---|---|---|---|---|
| Age (y) | 63.1 ± 13.9 | 58.8 ± 11.2 | 4.3 (−2.0, 10.7) | 0.18 |
| Female | 9 (19.2) | 5 (19.2) | −0.1 (−21.9, 21.8) | 1.00 |
| Hypertension | 29 (61.7) | 14 (53.9) | 7.9 (−18.8, 34.5) | 0.51 |
| Hyperlipidemia | 26 (55.3) | 13 (50.0) | 5.3 (−21.6, 32.2) | 0.66 |
| Current smoking | 22 (46.8) | 14 (53.9) | −7.0 (−33.9, 19.8) | 0.56 |
| Diabetes mellitus | 13 (27.7) | 3 (11.5) | 16.1 (−4.6, 36.8) | 0.11 |
| Previous MI | 4 (8.5) | 3 (11.5) | −3.0 (−20.7, 14.6) | 0.69 |
| Previous PCI | 4 (8.5) | 3 (11.5) | −3.0 (−20.7, 14.6) | 0.69 |
| Previous CABG | 2 (4.3) | 0 | 4.3 (−4.5, 13.0) | 0.54 |
| Previous stroke | 5 (10.6) | 5 (19.2) | −8.6 (−29.1, 11.9) | 0.31 |
| Previous heart failure | 2 (4.3) | 0 | 4.3 (−4.5, 13.0) | 0.54 |
| Previous renal insufficiency | 0 | 0 | 0 | |
| Heart rate | 74.9 ± 20.2 | 77.8 ± 19.5 | −2.9 (−12.7, 6.8) | 0.55 |
| Systolic BP (mm Hg) | 135.9 ± 23.6 | 131.3 ± 23.3 | 4.6 (−6.8, 16.1) | 0.42 |
| Diastolic BP (mm Hg) | 81.2 ± 16.1 | 82.3 ± 15.9 | −1.1 (−8.9, 6.7) | 0.78 |
| Initial LV (mm) | 50.3 ± 6.1 | 49.4 ± 3.3 | 0.92 (−1.3, 3.1) | 0.40 |
| Last LV (mm) | 51.4 ± 5.3 | 50.7 ± 3.8 | 0.68 (−1.7 ± 3.1) | 0.55 |
| Initial ejection fraction (%) | 51.4 ± 7.6 | 51.4 ± 7.9 | 0.04 (−3.7, 3.8) | 0.98 |
| Last ejection fraction (%) | 52.0 ± 10.8 | 52.5 ± 5.5 | −0.5 (−4.5, 3.6) | 0.81 |
| Primary value TNI (ng/mL) | 0.4 (0.04,1.6) | 0.2 (0.04, 1.28) | 0.03 (−0.1, 0.48) | 0.58 |
| Peak value TNI (ng/mL) | 15.8 (6.0, 27.1) | 44.5 (24.9, 50.0) | −20.3 (−29.8, −11.3) | <0.01 |
| Primary value NT-proBNP (pg/fL) | 258.0 (79.7, 672.0) | 97.9 (28.7, 244.9) | 94.2 (−2.3, 275.2) | 0.06 |
| Peak value NT-proBNP (pg/fL) | 1993.0 (795.8, 4434.0) | 1862.0 (1448.0, 2929.0) | 125.5 (−709.7, 1064.0) | 0.69 |
| Hours after symptom onset | ||||
| 0-12h | 31 (66.0) | 25 (96.2) | −30.2 (−48.6, −11.8) | <0.01 |
| 12h-24h | 9 (19.2) | 1 (3.9) | 15.3 (−1.1, 31.8) | 0.09 |
| 24h-48h | 6 (12.8) | 0 | 12.8 (0.002, 0.25) | 0.08 |
| Type of AMI | ||||
| Extensive anterior wall | 4 (8.5) | 9 (34.6) | −26.1 (−49.0, −3.2) | 0.01 |
| Anterior wall | 14 (29.8) | 5 (19.2) | 10.6 (−12.4, 33.6) | 0.32 |
| Inferior wall | 29 (61.7) | 12 (46.2) | 15.6 (−11.1, 42.2) | 0.20 |
| Lateral wall | 0 (0) | 0 (0) | 0 | NA |
| Killip classification | ||||
| I | 36 (76.6) | 23 (88.5) | −11.9 (−32.1, 8.4) | 0.35 |
| II | 7 (14.9) | 1 (3.9) | 11.1 (−4.5, 26.6) | 0.25 |
| III | 2 (4.3) | 0 | 4.3 (−4.5, 13.0) | 0.54 |
| IV | 2 (4.3) | 2 (7.7) | −3.4 (−18.2, 11.3) | 0.61 |
Data are presented as n (%), mean ± SD, or median (interquartile range). AMI, acute myocardial infarction; BP, blood pressure; CABG, coronary artery bypass grafting; D-B, door to balloon; LV, left ventricle; MI, myocardial infarction; PCI, percutaneous coronary intervention; TNI, troponin I.