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Table 5 Accuracy of CIMP prediction using gene expression profiles

From: Integrative DNA methylation and gene expression analysis to assess the universality of the CpG island methylator phenotype

 

Accuracy

 

Random

Lasso

Combined lasso

Group lasso

Bladder

62.8

62.9 (p = 1)

74.2 (p≤2.10−16)

72.1 (p≤2.10−16)

Breast

80.5

83.9 (p≤2.10−16)

84.7 (p≤2.10−16)

85.5 (p≤2.10−16)

Colon

79.4

79.5 (p = 1)

95.0 (p≤2.10−16)

94.2 (p≤2.10−16)

Lung

73.2

84.2 (p≤2.10−16)

76.2 (p≤2.10−16)

86.6 (p≤2.10−16)

Stomach

57.6

81.2 (p≤2.10−16)

83.0 (p≤2.10−16)

84.8 (p≤2.10−16)

Overall

71.9

82.4

82.6

85.0

  1. This table shows the accuracy, assessed by threefold cross-validation repeated 100 times over each tissue (first column), of sample classification in CIMP-positive and CIMP-negative classes from gene expression data using random classification (second column), lasso logistic regression (third column), combined lasso (fourth column), or group lasso logistic regression (fifth column)