Table 7

T-statistics and ROC statistics of the 8 R-SVM-selected markers on the breast cancer data

t-test

ROC curve

Markera

Rankb

t-statistics

P-value

AUC

AUC se


+Marker-5

1

-5.867

3.31E-08

0.775

0.041

+Marker-28

2

-5.229

7.68E-07

0.745

0.043

Marker-29

3

5.169

9.29E-07

0.708

0.044

+Marker-58

4

-4.911

2.79E-06

0.754

0.043

Marker-74

6

4.103

7.07E-05

0.700

0.044

Marker-81

10

-2.963

3.61E-03

0.626

0.048

Marker-92

52

1.639

0.104

0.638

0.047

Marker- 97

94

0.162

0.872

0.570

0.049


a The biological study based on these and other data will be published elsewhere. Here we use the relative sequential position of the markers on the m/z axis to represent them.

b Rank ordered by t-statistics among the 98 markers.

+ Biomarkers corresponds to "peptide A"

Zhang et al. BMC Bioinformatics 2006 7:197   doi:10.1186/1471-2105-7-197

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