Table 1 Characteristics of patients with suspected CAD (n = 260)
Variables | Without obstructive CAD (n = 165) | With obstructive CAD (n = 95) | P value |
|---|---|---|---|
Age (years old) | 60.8 ± 9.2 | 62.7 ± 9.0 | 0.101 |
Male (%) | 99 (60.0) | 72 (75.8) | 0.010 |
BMI (kg/m2) | 25.1 ± 3.0 | 24.6 ± 2.9 | 0.269 |
Hypertension (%) | 103 (62.4) | 73 (76.8) | 0.017 |
Diabetes (%) | 26 (15.8) | 35 (36.8) | < 0.001 |
Hyperlipidemia (%) | 98 (59.4) | 74 (77.9) | 0.002 |
Smoking > 1 year (%) | 59 (35.8) | 41 (43.2) | 0.238 |
Gated SPECT | Â | Â | Â |
 EDV (ml) | 86.9 ± 25.2 | 100.4 ± 46.9 | 0.010 |
 ESV (ml) | 31.4 ± 14.8 | 46.3 ± 39.0 | 0.001 |
 LVEF (%) | 65.4 ± 8.5 | 58.3 ± 12.4 | < 0.001 |
 SRS ≥ 4 (%) | 7 (4.2) | 33 (34.7) | < 0.001 |
 SMS ≥ 2 (%) | 6 (3.6) | 39 (41.1) | < 0.001 |
 STS ≥ 2 (%) | 6 (3.6) | 34 (35.8) | < 0.001 |
 PFR | 2.3 ± 0.5 | 2.1 ± 0.6 | 0.001 |