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Table 3 Statistical analyses of extracellular vesicle mRNA markers in clinical samples

From: Signature mRNA markers in extracellular vesicles for the accurate diagnosis of colorectal cancer

Biomarker(s)

n

Cut-offa

AUC

Sensitivity (%)

Specificity (%)

Accuracy (%)

MYC

1

2.72

0.56

40

100

60

VEGF

1

6.76

0.78

80

80

80

CDX2

1

NA

NA

NA

NA

NA

CD133

1

1.275

0.86

80

100

87

CEA

1

NA

NA

NA

NA

NA

CK19

1

4.85

0.54

40

100

60

EpCAM

1

NA

NA

NA

NA

NA

CD24

1

3.06

0.63

50

80

60

VEGF+CK19

2

8.305

0.94

100

80

93

VEGF+CD24

2

10.19

0.94

100

80

93

CK19 + CD24

2

18.56

0.61

40

100

60

Signatureb

2

7.19

0.96

100

80

93

Signature+CK19

3

9.49

0.96

100

80

93

Signature+CD24

3

10.52

0.96

100

80

93

Signature+CK19 + CD24

4

38.86

0.91

80

100

80

  1. Note: a Cut-off value was calculated using Youden’s index, which maximizes the sum of sensitivity and specificity; b Combined marker of VEGF and CD133; n number of biomarker(s); AUC area under the curve; NA not applicable