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Table 3 Correlation with heart-to-background activity ratio

From: Short-duration, submaximal intensity exercise stress combined with adenosine triphosphate decreases artifacts in myocardial perfusion single-photon emission computed tomography

 

Univariate

Multivariate

r Value

p Value

p Value

Coefficient (95% CI)

log (H/L ratio)

Age

0.030

0.752

0.603

0.0006 (− 0.0018 ~ 0.0032)

Male

0.196

0.040

0.020

0.0591 (0.0093 ~ 0.1089)

delta RPP

0.283

0.002

0.001

0.0001 (0.0001 ~ 0.0001)

log (H/below the H ratio)

Age

0.027

0.773

0.686

−0.0003 (− 0.0023 ~ 0.0015)

Male

0.126

0.188

0.001

0.0677 (0.0275 ~ 0.1079)

delta RPP

0.263

0.005

0.005

0.0001 (0.0001 ~ 0.0001)

EDVex

0.289

0.002

< 0.001

−0.0019 (− 0.0028 ~ − 0.0010)

  1. CI Confidence interval, H/L heart-to-liver activity ratio, H/below the H heart-to-below the heart, RPP rate pressure product, EDVex end-diastolic volume after exercise