Table 1.
Baseline demographic, laboratory, and cardiovascular parameters according to the amount of myocardial ischemia (number of inducible myocardial perfusion defects).
| Baseline variable | High inducible ischemia (n = 18) | Low inducible ischemia (n = 16) | P value |
|---|---|---|---|
| Demographic | |||
| Age (years) | 70.4 ± 6.7 | 67.6 ± 7.5 | .25 |
| Sex (% male) | 77.8 | 75.0 | .85 |
| Weight (kg) | 80.5 ± 12.1 | 78.1 ± 8.0 | .66 |
| Past history (%) | |||
| Hypertension | 38.9 | 43.8 | .77 |
| Current smoking | 0.0 | 18.8 | .09 |
| Dyslipidemia | 66.7 | 56.3 | .53 |
| Diabetes mellitus | 22.2 | 12.5 | .46 |
| Myocardial infarction | 77.8 | 43.8 | .08 |
| Coronary angioplasty | 88.9 | 50.0 | .02 |
| Coronary bypass graft | 5.6 | 12.5 | .48 |
| Medications (%) | |||
| Nitrates | 16.7 | 18.8 | .87 |
| Calcium antagonists | 33.3 | 12.5 | .23 |
| Beta blockers | 27.8 | 31.3 | .82 |
| Laboratory | |||
| Creatinine (μmol/L) | 86.0 ± 27.2 | 75.6 ± 16.6 | .19 |
| Albumin (g/L) | 45.3 ± 2.3 | 44.6 ± 2.4 | .39 |
| Hemoglobin (g/L) | 140.7 ± 13.4 | 147.0 ± 13.5 | .18 |
| Glucose (mmol/L) | 6.4 ± 1.0 | 5.9 ± 0.7 | .15 |
| BNP (pg/mL) | 80.3 ± 60.6 | 52.9 ± 43.9 | .15 |
| cTnI (μg/L) | 0.010 ± 0.009 | 0.008 ± 0.007 | .45 |
| NT-proBNP (pg/mL) | 580.4 ± 712.9 | 289.9 ± 215.8 | .13 |
| AOPP (μmol/L) | 121.2 ± 116.3 | 77.0 ± 28.5 | .15 |
| NGAL (ng/mL)† | 67.5 (60.0–115.5) | 67.0 (60.0–90.8) | .60 |
| Cardiovascular parameters (at rest) | |||
| End diastolic volume (mL) | 101.3 ± 29.7 | 105.2 ± 27.9 | .70 |
| End systolic volume (mL) | 46.5 ± 24.5 | 43.8 ± 19.1 | .73 |
| Ejection fraction (%) | 56.7 ± 10.6 | 61.1 ± 12.1 | .27 |
†Data presented as median (IQR).
BNP: B-type natriuretic peptide, cTnI: cardiac troponin I, NT-proBNP: N-terminal-pro-B-type natriuretic peptide, AOPP: advanced oxidation protein products, NGAL: neutrophil gelatinase-associated lipocalin.