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Table 5 Characteristics of the classification trees constructed on the BC sample set

From: Comparing the old and new generation SELDI-TOF MS: implications for serum protein profiling

Tree characteristics:

Tree performance*:

Data set

Clusters

(#)

Node 1

 

Node 2

 

Sens (%)

Spec (%)

1a

All

(81)

m/z 3964

≤ 4.010

-

-

74.4

73.9

 

Common

(28)

m/z 3964

≤ 4.010

-

-

74.4

73.9

1b

All

(31)

m/z 3964

≤ 3.855

-

-

83.7

78.3

 

Common

(28)

m/z 3964

≤ 3.855

-

-

83.7

78.3

2

All

(59)

m/z 9151

≤ 1.614

m/z 5360

≤ 17.856

72.1

78.3

 

Common

(28)

m/z 3979

≤ 32.163

m/z 4218

≤ 4.648

62.8

71.7

  1. * tree performance as determined by 10-fold cross validation, sens: sensitivity, spec: specificity
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BMC Medical Genomics

ISSN: 1755-8794

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