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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