Table 3 Univariate and multivariate linear analysis of factors predicting %hDPV-increase.

From: Preprocedural transthoracic Doppler echocardiography to identify stenosis associated with increased coronary flow after revascularisation

 

Univariate

Multivariate

β

95% CI

P-value

β

95% CI

P-value

FFR

 − 0.683

 − 8.154

–

 − 4.294

 < 0.001

 − 0.476

 − 6.182

–

 − 2.486

 < 0.001

CFR

 − 0.439

 − 0.468

–

 − 0.120

0.001

 − 0.15

 − 0.231

–

0.03

0.128

CFVR

 − 0.391

 − 1.128

–

 − 0.363

 < 0.001

     

IMR

0.194

 − 0.005

–

0.026

0.178

     

Hyperemic Tmn

0.516

0.640

–

1.829

 < 0.001

     

hDPV

 − 0.615

 − 0.030

–

 − 0.014

 < 0.001

 − 0.414

 − 0.022

–

 − 0.008

 < 0.001

QCA MLD

 − 0.211

 − 1.056

–

0.154

0.140

     

QCA RD

0.370

0.118

–

0.754

0.008

     

QCA %stenosis

0.193

 − 0.007

–

0.038

0.178

     
  1. CFR coronary flow reserve, CFVR coronary flow velocity reserve, FFR fractional flow reserve, hDPV hyperemic diastolic peak velocity, IMR index of microcirculatory resistance, MLD minimum lumen diameter, %stenosis percent diameter stenosis, QCA quantitative coronary angiography, RD reference lumen diameter, Tmn transit time.
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