Multivariate Stepwise Logistic Regression Analysis for Any Stress-Induced Myocardial Perfusion Abnormality by PET as the Dependent Variable
| Independent variable | Dependent variable: discrete, any abnormality | B | EXP(B) | 95% CI of EXP(B) | P for significance |
|---|---|---|---|---|---|
| Resting homogeneity index, rH | Q < 1 SD or L < 1 SD | −23.1 | 0.000 | 0.000–0.000 | <0.001 |
| Rest-to-stress change in H, rsHΔ | Q < 1 SD or L < 1 SD | −22.2 | 0.000 | 0.000–0.000 | <0.001 |
| Male | Q < 1 SD or L < 1 SD | 1.99 | 7.29 | 3.40–15.63 | <0.001 |
| Age | Q < 1 SD or L < 1 SD | 0.02 | 1.02 | 1.00–1.04 | 0.019 |
| Hx of diabetes | Q < 1 SD or L < 1 SD | 1.88 | 6.57 | 2.39–18.03 | <0.001 |
| Hx of hypertension | Q < 1 SD or L < 1 SD | 0.55 | 1.73 | 1.29–2.33 | <0.001 |
| Hx of overweight | Q < 1 SD or L < 1 SD | 0.43 | 1.53 | 1.13–2.07 | <0.001 |
| Hx of exercise | Q < 1 SD or L < 1 SD | 0.57 | 1.77 | 1.04–3.02 | 0.036 |
| Hx of high cholesterol | Q < 2 SD | 0.85 | 2.33 | 1.32–4.11 | 0.004 |
| Postmenopausal | Q < 2 SD | 3.02 | 20.45 | 1.98–288.2 | 0.011 |
| Family Hx of vascular disease | Q < 2 SD | −0.18 | 0.84 | 0.48–1.47 | NS |
| Hx of smoking | Q < 2 SD | 0.06 | 1.07 | 0.78–1.45 | NS |
B = loge of odds ratio; EXP = exponent; Q = lowest average quadrant activity on stress PET image; L = longitudinal base-to-apex perfusion gradient on stress PET image; Hx = history; NS = not significant.