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Table 1 Mean and standard deviation for monitoring variables of apoE−/− and C57BL/6J mice group at 7 days

From: Contralateral artery enlargement predicts carotid plaque progression based on machine learning algorithm models in apoE−/− mice

 

Predictive power

ApoE−/−

C57BL/6J

P value

Lumen diameter of LCA (mm)

−0.21

0.42 ± 0.01

0.44 ± 0.02

0.015

Lumen diameter of RCA (mm)

−1.48

0.65 ± 0.02

0.61 ± 0.01

<0.001*

Lumen area of LCA (mm2)

0.09

0.14 ± 0.01

0.15 ± 0.02

0.030

Lumen area of RCA (mm2)

−1.31

0.34 ± 0.02

0.30 ± 0.02

<0.001**

Blood flow velocity of LCA (mm/s)

0.47

152.42 ± 43.67

162.17 ± 33.41

0.438

Blood flow velocity of RCA (mm/s)

0.24

532.84 ± 104.35

487.82 ± 76.34

0.128

The ratio of the lumen diameter of LCA to RCA

0.63

0.64 ± 0.03

0.72 ± 0.05

<0.001***

The ratio of the lumen area of LCA to RCA

0.72

0.41 ± 0.05

0.53 ± 0.06

<0.001****

The ratio of the blood flow velocity of LCA to RCA

1.09

0.29 ± 0.08

0.34 ± 0.09

1.011

Plaque volume of LCA (mm3)

0.56

0.77 ± 0.14

0.53 ± 0.15

0.001

  1. Data are presented as mean ± SD. Predictive power is the parameter w of SVM indicated the contribution of the feature to SVM. It means the importance for prediction of carotid vulnerable plaque progress. Positive means increased in the normal control (decreased in apoE−/− group), while negative is contrast. P value indicated the result of t tests between two groups. * P = 1.29 × 10−7, ** P = 3.38 × 10−7, *** P = 2.38 × 10−6, **** P = 1.24 × 10−6
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