**Table 3: **The univariate odds ratio that a myocardial perfusion imaging (MPI) study will be true positive is listed for clinically relevant variables. Covariates found to be significant at α < 0.2 were selected for multivariate analysis; multivariate odds ratios are listed at right (with 95% confidence interval and p value).

Odds ratio of MPI study being true positive (with 95% confidence interval) |
||

Variables |
Univariate analysis |
Logistic regression |

SPECT/CT camera | 5.60 (1.83 - 17.1) p = 0.002 |
7.35 (2.00 - 31.0) p = 0.003 |

SDS^{*} |
1.19 (1.03 - 1.38) p = 0.017 |
1.08 (1.01 - 1.16) p = 0.04 |

Hyperlipidemia | 16.9 (1.97 - 145) p = 0.011 |
7.35 (0.79 - 68.8) p = 0.08 |

Diabetes | 1.61 (0.50 - 5.14) p = 0.31 | |

Hypertension | 1.71 (0.26 - 11.2) p = 0.58 | |

BMI^{*} |
1.01 (0.91 - 1.11) p = 0.92 | |

Age^{*} |
1.01 (0.96 - 1.06) p = 0.70 | |

Male sex | 0.51 (0.15 - 1.67) p = 0.26 | |

Prior PCI or CABG | 1.35 (0.48 - 3.84) p = 0.57 | |

LVEF < 50% | 1.50 (0.47 - 4.77) p = 0.49 | |

Pharmacologic stress | 1.37 (0.38 - 4.88) p = 0.62 |

*SDS: sum difference score; BMI: body mass index; PCI: percutaneous intervention; CABG: coronary artery bypass graft; LVEF: left ventricular ejection fraction.*