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. 2021 May;13(5):2705–2715. doi: 10.21037/jtd-21-178

Table 3. The results of the binary logistic regression analysis of graft failure and MACCEs.

Dependent Covariant Univariate Multivariate
P OR 95% CI P OR 95% CI
Lower Upper Lower Upper
Graft failure PI 0.071 1.12 0.99 1.27 0.270 1.11 0.92 1.35
MGF 0.021 0.98 0.96 1.00 0.384 0.99 0.96 1.01
H0 <0.001 0.92 0.90 0.95 <0.001 0.92 0.89 0.95
H1 <0.001 0.45 0.36 0.56 <0.001 0.43 0.32 0.58
H0/H1 0.001 1.02 1.01 1.03 0.823 1.00 0.99 1.01
P <0.001 2.43 1.78 3.33 <0.001 2.28 1.62 3.20
MACCEs PI 0.762 0.99 0.95 1.04 0.513 0.98 0.93 1.04
MGF 0.105 0.98 0.96 1.00 0.116 0.98 0.96 1.00
H0 0.230 0.99 0.97 1.01 0.502 0.99 0.97 1.01
H1 0.672 0.97 0.82 1.14 0.658 0.96 0.79 1.16
H0/H1 0.564 1.00 0.99 1.00 0.503 1.00 0.99 1.01
P 0.290 1.14 0.89 1.46 0.336 1.13 0.88 1.45
Repeat revascularization PI 0.896 1.00 0.95 1.06 0.782 0.99 0.94 1.05
MGF 0.239 0.98 0.95 1.01 0.281 0.98 0.95 1.01
H0 0.138 0.98 0.95 1.01 0.613 0.99 0.96 1.02
H1 0.879 1.02 0.81 1.28 0.666 0.93 0.66 1.31
H0/H1 0.239 0.99 0.96 1.01 0.288 0.98 0.95 1.01
P 0.006 1.66 1.16 2.39 0.008 1.64 1.13 2.36
MI PI 0.788 0.98 0.84 1.14 0.785 0.98 0.86 1.12
MGF 0.592 1.01 0.98 1.04 0.591 1.01 0.98 1.04
H0 0.312 0.98 0.95 1.02 0.792 1.00 0.96 1.04
H1 0.765 0.96 0.71 1.29 0.486 0.86 0.55 1.32
H0/H1 0.540 0.99 0.97 1.02 0.423 0.99 0.96 1.02
P 0.005 1.90 1.21 2.97 0.008 1.86 1.18 2.93

MACCEs, major adverse cardiac and cerebrovascular events; MI, myocardial infarction; OR, odds ratio; CI, confidence interval. PI, pulse index; MGF, mean graft flow; H0, the amplitude of the main wave; H1, the amplitude of the first harmonic; P, the frequency of the first harmonic.