Table 1.
Characteristics of the study participants.
| Characteristics | Q1 | Q2 | Q3 | Q4 | P-value |
|---|---|---|---|---|---|
| N | 85 | 85 | 88 | 87 | |
| Primary outcome | |||||
| Length of hospitalization, days | 6.4 ± 4.2 | 5.4 ± 2.0 | 4.8 ± 1.8 | 5.1 ± 1.9 | 0.013 |
| Demographics | |||||
| Age, years | 62.2 ± 12.3 | 60.9 ± 10.9 | 55.1 ± 11.4 | 53.9 ± 11.9 | < 0.001 |
| Female, n (%) | 16 (18.8%) | 16 (19.0%) | 12 (13.6%) | 12 (13.8%) | 0.632 |
| Cardiovascular risk factors | |||||
| Hypertension, n (%) | 42 (53.2%) | 47 (56.0%) | 47 (56.0%) | 42 (50.0%) | 0.846 |
| Diabetes mellitus, n (%) | 19 (24.1%) | 25 (29.8%) | 25 (29.8%) | 22 (26.2%) | 0.807 |
| Hypertriglyceridemia, n (%) | 16 (20.3%) | 23 (27.4%) | 26 (31.0%) | 26 (31.0%) | 0.379 |
| Smoking, n (%) | 47 (59.5%) | 53 (63.1%) | 60 (71.4%) | 60 (71.4%) | 0.261 |
| Other past disorders | |||||
| OMI, n (%) | 1 (1.3%) | 2 (2.4%) | 1 (1.2%) | 5 (6.0%) | 0.193 |
| CRF, n (%) | 1 (1.3%) | 3 (3.6%) | 1 (1.2%) | 2 (2.4%) | 0.680 |
| Stroke, n (%) | 3 (3.8%) | 7 (8.3%) | 4 (4.8%) | 8 (9.5%) | 0.389 |
| CHF, n (%) | 1 (1.3%) | 1 (1.2%) | 0 (0.0%) | 2 (2.4%) | 0.573 |
| History of PCI, n (%) | 0 (0.0%) | 3 (3.6%) | 3 (3.6%) | 6 (7.1%) | 0.114 |
| Laboratory tests | |||||
| WBC,109/L | 9.9 ± 3.4 | 9.7 ± 3.0 | 9.8 ± 3.8 | 10.0 ± 3.5 | 0.958 |
| PLT,109/L | 211.4 ± 70.4 | 226.3 ± 60.4 | 245.7 ± 67.3 | 252.4 ± 58.6 | < 0.001 |
| HGB, g/L | 139.5 ± 18.6 | 144.3 ± 18.9 | 145.6 ± 17.9 | 152.0 ± 15.8 | < 0.001 |
| Hs-CRP, mg/L | 17.5 ± 50.9 | 11.8 ± 39.9 | 9.1 ± 25.6 | 4.9 ± 13.0 | 0.135 |
| K+, mmol/L | 4.0 ± 0.4 | 4.0 ± 0.3 | 4.0 ± 0.3 | 4.0 ± 0.4 | 0.929 |
| BG, mmol/L | 9.5 ± 5.1 | 8.9 ± 4.0 | 8.1 ± 3.6 | 8.3 ± 4.6 | 0.156 |
| CTnI, ng/mL | 2.6 ± 5.9 | 1.8 ± 4.7 | 1.3 ± 3.0 | 1.9 ± 5.3 | 0.313 |
| ALB, g/L | 34.5 ± 2.1 | 38.6 ± 0.8 | 41.1 ± 0.7 | 44.9 ± 2.1 | < 0.001 |
| LDL-C, mmol/L | 3.0 ± 1.1 | 2.9 ± 0.9 | 3.8 ± 5.2 | 3.2 ± 1.2 | 0.093 |
| HDL-C, mmol/L | 1.0 ± 0.2 | 1.2 ± 1.2 | 1.0 ± 0.3 | 1.1 ± 0.2 | 0.305 |
| LVEF, % | 57.4 ± 7.0 | 57.8 ± 9.7 | 58.9 ± 8.9 | 56.7 ± 10.3 | 0.302 |
| Criminal Vessels | 0.044 | ||||
| LM, n (%) | 2 (2.4%) | 2 (2.4%) | 1 (1.1%) | 1 (1.1%) | |
| LAD, n (%) | 37 (43.5%) | 40 (47.1%) | 56 (63.6%) | 56 (64.4%) | |
| LCX, n (%) | 8 (9.4%) | 13 (15.3%) | 12 (13.6%) | 9 (10.3%) | |
| RCA, n (%) | 38 (44.7%) | 30 (35.3%) | 19 (21.6%) | 21 (24.1%) | |
| IVUS, n (%) | 61 (71.8%) | 50 (58.8%) | 55 (62.5%) | 54 (62.8%) | 0.341 |
| IABP, n (%) | 11 (12.9%) | 5 (5.9%) | 1 (1.1%) | 1 (1.1%) | 0.001 |
OR odds ratio, CI confidence interval, OMI old myocardial infarction, CRF chronic renal failure, CHF chronic heart failure, PCI percutaneous coronary intervention, WBC white blood cell, PLT blood platelet, HGB hemoglobin, Hs-CRP hypersensitive C-reactive protein, BG blood glucose, CTnI cardiac troponin I, ALB serum albumin, LDL-C low-density lipoprotein cholesterol, HDL-C high-density lipoprotein cholesterol, LVEF left ventricular ejection fraction, LM left main coronary, LAD left anterior descending coronary, LCX left circumflex artery, RCA right coronary artery, IVUS intravascular ultrasound, IABP intra-aortic balloon pump.