Table 1.
Baseline characteristics of study population and medication
| Low STB N = 698 | High STB N = 721 | P | |
|---|---|---|---|
| Age (years) | 60.32±10.9 | 61.45±10.2 | 0.126 |
| Elderly (n, %) | 263 (37.7) | 297 (41.2) | 0.18 |
| Male gender (n, %) | 420 (60.2.5) | 511 (70.9) | <0.001 |
| Body mass index (kg/m2) | 24.04±4.0 | 24.11±3.92 | 0.74 |
| Prior PCI (n, %) | 47 (6.7) | 60 (8.3) | 0.26 |
| Prior CABG (n, %) | 6 (0.9) | 8 (1.1) | 0.63 |
| Prior myocardial infarction (n, %) | 75 (10.7) | 97 (13.5) | 0.103 |
| Peripheral vessel disease (n, %) | 1 (0.1) | 4 (0.6) | 0.19 |
| Prior stroke (n, %) | 36 (5.2) | 26 (3.6) | 0.15 |
| Anemia (n/%) | 191 (28.2) | 139 (19.5) | <0.001 |
| Systolic blood pressure (mmHg) | 122.6±19.8 | 126.6±17.5 | <0.001 |
| Diastolic blood pressure (mmHg) | 75.3±11.7 | 77.8±11.7 | <0.001 |
| Risk factors (n, %) | |||
| Arterial hypertension | 381 (54.7) | 375 (52) | 0.32 |
| Dyslipidemia | 322 (46.2) | 373 (51.8) | 0.035 |
| Diabetes mellitus | 142 (20.4) | 153 (21.3) | 0.68 |
| GFR (ml·min-1·1.73 m-2) | 74.5±14.1 | 74.7±14.3 | 0.79 |
| Current smoker | 217 (31.1) | 232 (32.2) | 0.67 |
| Clinical presentation (n, %) | |||
| Stable angina | 108 (15.5) | 115 (16) | 0.81 |
| Unstable angina | 588 (84.2) | 602 (83.5) | 0.70 |
| Total cholesterol (mmol/L) | 4.37±1.15 | 4.24±1.06 | 0.027 |
| Triglyceride (mmol/L) | 2.06±1.15 | 1.88±1.19 | 0.004 |
| LDL-C (mmol/L) | 2.75±1.05 | 2.68±0.91 | 0.18 |
| HDL-C (mmol/L) | 1.09±0.32 | 1.08±0.34 | 0.57 |
| Glycemia (mmol/L) | 5.83±2.15 | 5.71±1.95 | 0.27 |
| Haemoglobin (g/L) | 131.4±17.6 | 136.9±15.9 | <0.001 |
| AST (IU/L) | 18.4±5.1 | 18.35±5.4 | 0.86 |
| ALT (IU/L) | 19.8±6.2 | 19.7±6.5 | 0.77 |
| GGT (IU/L) | 22.6±9.4 | 23.1±11.2 | 0.36 |
| Medications at discharge (n, %) | |||
| Aspirin | 688 (98.6) | 712 (98.9) | 0.59 |
| Clopidogrel | 661 (94.7) | 689 (95.6) | 0.54 |
| ACEI/ARB | 371 (53.2) | 379 (52.6) | 0.85 |
| Beta-blocker | 494 (70.8) | 506 (70.2) | 0.81 |
| Statins | 651 (93.3) | 673 (93.3) | 0.95 |
PCI: percutaneous coronary intervention; CABG: coronary artery bypass graft; LDL-C: Low density lipoprotein cholesterol; HDL-C: High density lipoprotein cholesterol; AST: aspartate aminotransferase; ALT: alanine aminotransferase; GGT: gamma-glutamyl transferase; ACEI: Angiotensin-converting enzyme inhibitor; ARB: angiotensin receptor blocker.