Table 1.
Demographic and clinical characteristics of the study population.
| Variable | Overall study population (n = 198) | Patients with LVR (n = 55) | Patients without LVR (n = 143) | P for comparison between groups with and without LVR |
|---|---|---|---|---|
| Age (years) | 56.0 (50.0–64.0) | 54.0 (49.0–63.0) | 57.0 (51.0–64.0) | NS |
| Gender (male/female) n (%) | 153/45 (77.3/22.7) | 46/9 (83.6/16.4) | 107/36 (74.8/25.2) | NS |
| Anterior location of STEMI n (%) | 89 (43.6) | 30 (54.6) | 58 (40.6) | NS |
| Time from onset of pain to balloon inflation (minutes) | 201.5 (141.0–295.0) | 207.0 (135.0–308.0) | 200.0 (145.0–295.0) | NS |
|
| ||||
| Risk factors for coronary artery disease | ||||
|
| ||||
| Body mass index (kg/m2) | 26.8 (24.2–29.1) | 27.5 (24.8–30.4) | 26.2 (24.1–28.8) | NS |
| Hypertension n (%) | 82 (41.4) | 27 (49.1) | 55 (38.5) | NS |
| Diabetes mellitus n (%) | 40 (20.2) | 13 (23.6) | 27 (18.9) | NS |
| Current or ex-smoker n (%) | 131 (66.2) | 34 (61.8) | 97 (67.8) | NS |
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| Medical treatment at hospital discharge | ||||
|
| ||||
| Long-acting metoprolol n (%) | 196 (99.0) | 55 (100.0) | 141 (98.6) | NS |
| Perindopril n (%) | 194 (98.0) | 53 (96.4) | 141 (98.6) | NS |
| Simvastatin n (%) | 197 (99.5) | 55 (100.0) | 142 (99.3) | NS |
| Spironolactone n (%) | 12 (6.1) | 5 (9.1) | 7 (4.9) | NS |
| Nonpotassium-sparing diuretics n (%) | 11 (5.6) | 4 (7.3) | 7 (4.9) | NS |
LVR: left ventricular remodelling; STEMI: ST-segment elevation myocardial infarction.