Table 1.
Demographics of patients assessed by MP-SPECT and invasive coronary artery angiography
| Mean ± SD or number (n) | |
|---|---|
| Age (year) | 70.2 ± 10.6 |
| Gender (M vs. F) | 43 vs. 14 |
| Height (cm) | 162.5 ± 10.4 |
| Weight (kg) | 61.9 ± 13.6 |
| Body mass index (kg/m2) | 23.2 ± 3.4 |
| Hypertension | 48 (81.4%) |
| Diabetes mellitus | 42 (71.2%) |
| Dyslipidemia | 34 (57.6%) |
| eGFR (mL/min/1.73 m2) | 61.6 ± 27.0 |
| No significant stenosis | 20 (33.9%) |
| 1-vessel disease | 20 (33.9%) |
| 2-vessel disease | 11 (18.6%) |
| 3-vessel disease | 8 (13.6%) |
| Regions of vessels with ≥ 50% stenosis | |
| LAD | 26 (44.1%) |
| LCX | 15 (25.4%) |
| RCA | 19 (32.2%) |
| Regions of vessels with ≥ 75% stenosis | |
| LAD | 18 (30.5%) |
| LCX | 11 (18.6%) |
| RCA | 15 (25.4%) |
| SSS (LAD, LCX, RCA, total) | 2.3 ± 2.8, 3.1 ± 3.4, 2.7 ± 3.1, 7.8 ± 6.8 |
| SRS (LAD, LCX, RCA, total) | 0.92 ± 1.7, 2.0 ± 2.8, 1.7 ± 2.8, 4.3 ± 5.4 |
| SDS (LAD, LCX, RCA, total) | 1.2 ± 1.7, 1.0 ± 1.3, 1.1 ± 1.5, 3.4 ± 3.1 |
| EDV (mL) at rest | 98.4 ± 60.3 |
| ESV (mL) at rest | 50.3 ± 54.0 |
| LVEF (%) at rest | 57.6 ± 17.2 |
Data are shown as means ± SD or numbers (n). EDV end-diastolic volume, eGFR estimated glomerular filtration rate, ESV end-systolic volume, F female, LAD left anterior descending coronary artery, LCX left circumflex coronary artery, LVEF left ventricular ejection fraction, M male, MP myocardial perfusion, RCA right coronary artery, SD standard deviation, SDS summed difference score, SPECT single photon emission computed tomography, SRS summed rest score, SSS summed stress score