Table 1.
Baseline characteristics of the studied cohort relative to the presence of events
| Variable | All patients (n = 1085) |
Without events (n = 909) |
With events (n = 176) |
p value |
|---|---|---|---|---|
| Age (years) | 62 (52–73) | 59 (51–69) | 76 (66–81) | < 0.001 |
| Female | 241 (22.2) | 187 (20.6) | 54 (30.7) | 0.003 |
| Hypertension | 598 (55.1) | 473 (52.0) | 125 (71.0) | 0.001 |
| Diabetes mellitus | 276 (25.4) | 208 (22.9) | 68 (38.6) | < 0.001 |
| Dyslipidemia | 645 (59.5) | 550 (60.5) | 95 (54.0) | 0.106 |
| Cerebrovascular disease | 69 (6.4) | 42 (4.6) | 27 (15.3) | < 0.001 |
| Peripheral arterial disease | 77 (7.1) | 57 (6.3) | 20 (11.4) | 0.016 |
| Heart failure | 18 (1.7) | 7 (0.8) | 11 (6.3) | < 0.001 |
| Coronary artery disease | 236 (21.8) | 188 (20.7) | 48 (27.3) | 0.052 |
| Myocardial infarction | 103 (9.5) | 76 (8.4) | 27 (15.3) | 0.004 |
| Killip–Kimball I–II | 1009 (93.0) | 877 (96.5) | 132 (75.0) | < 0.001 |
| Killip–Kimball III–IV | 76 (7.0) | 32 (3.5) | 44 (25.0) | < 0.001 |
| BMI (kg/m2) | 27.3 (24.8–29.9) | 27.2 (24.8–29.8) | 27.6 (24.3–30.0) | 0.944 |
| Hs-TnT, peak (ng/L) | 2752 (1021–6057) | 2643 (934–5590) | 4375 (1357–91,485) | < 0.001 |
| NT-ProBNP, peak (ng/L) | 1003 (395–2421) | 827 (356–1707) | 3461 (1569–7396) | < 0.001 |
| LVEF (%) | 52 (45–58) | 54 (47–59) | 45 (38–53) | < 0.001 |
| Main epicardial coronary arteries > 70% stenosis | ||||
| 1 | 564 (52.0) | 493 (54.2) | 71 (40.3) | 0.001 |
| 2 | 287 (26.5) | 253 (27.8) | 34 (19.3) | 0.019 |
| 3 | 212 (19.5) | 155 (17.1) | 57 (32.4) | < 0.001 |
| Left main ≥ 50% stenosis | 40 (3.7) | 25 (2.8) | 15 (8.5) | < 0.001 |
Data represent the number (%) or median (interquartile range). Wilcoxon Rank-sum test was used for comparisons of continuous variables
PCI percutaneous coronary intervention, BMI body mass index, hs-TnT high-sensitivity troponin T, LVEF left ventricular ejection fraction