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Table 2 The diagnostic efficiency of models in differentiating breast cancer and controls

From: Carnitine palmitoyl transferase 1A is a novel diagnostic and predictive biomarker for breast cancer

 

Training set

Test set

AUC

(95% CI)

SN (%)

SP (%)

PPV (%)

NPV (%)

+LR

-LR

AUC

(95% CI)

SN (%)

SP (%)

PPV (%)

NPV (%)

+LR

-LR

Breast cancer VS. Controls

 CPT1Aa

0.892 (0.872–0.920)

75.4

86.1

81.8

77.1

5.42

0.29

0.904 (0.869–0.939)

81.4

81.7

84.2

76.0

4.45

0.23

 CA153

0.553 (0.506–0.599)

52.8

61.4

56.1

56.8

1.37

0.77

0.548 (0.475–0.620)

62.8

55.0

41.7

68.2

1.40

0.68

 CEA

0.608 (0.562–0.654)

69.1

49.3

62.5

51.2

1.36

0.63

0.560 (0.488–0.631)

55.0

62.5

50.0

63.6

1.47

0.72

 CA125

0.524 (0.477–0.571)

65.1

42.5

32.1

73.4

1.13

0.82

0.547 (0.475–0.618)

39.5

73.3

45.0

56.6

1.48

0.83

 CA153 + CEA + CA125

0.605 (0.559–0.651)

88.7

27.9

60.4

48.2

1.23

0.41

0.581 (0.510–0.652)

82.9

35.0

54.2

58.9

1.28

0.49

 CPT1A + CA153 + CEA + CA125

0.904 (0.881–0.927)

76.4

86.1

83.9

77.1

5.50

0.27

0.902 (0.865–0.938)

76.0

90.8

88.3

77.5

8.26

0.26

Breast cancer VS. Benign breast disease

 CPT1A

0.807 (0.759–0.855)

74.6

72.9

75.7

68.3

2.75

0.35

0.781 (0.717–0.846)

68.7

75.9

44.8

85.5

2.85

0.41

TNBC VS. Controls

 CPT1A

0.948 (0.919–0.978)

87.7

88.2

98.2

70.2

7.43

0.14

0.945 (0.891–0.998)

94.1

81.4

99.6

52.9

5.06

0.07

  1. Abbreviations: +LR positive likelihood ratio, −LR negative likelihood ratio, PPV positive predictive value, NPV negative predictive value
  2. aThe diagnostic cut-off value was 26.08 ng/mL