Table 3 Discriminatory performance measures for each of the risk models for 5-year risk of developing colorectal cancer in men

From: External validation of risk prediction models for incident colorectal cancer using UK Biobank

 

Colditz

Driver

Freedman

Guesmi

Johnson

Ma (simple)

Ma (Cox)

QCancer10

Tao

Wei Y-S

Wells

Total n

n =139 257

n =167 762

n= 101 530

n =168 825

n =169 722

n =150 386

n =150 386

n =158 024

n =149 693

n =160 256

n =140 749

Incident CRC

n =761

n =946

n =685

n =961

n =965

n =830

n =830

n =884

n =825

n =898

n =764

Top 10%

Sensitivity

13.8

20.2

21.5

11.1

12.2

22.5

24.7

24.9

26.4

14.5

22.6

Specificity

90.0

90.1

90.1

90.0

90.0

90.1

90.1

90.1

90.1

90.0

90.1

LR+

1.38

2.03

2.16

1.11

1.22

2.27

2.49

2.51

2.67

1.45

2.28

LR−

0.96

0.89

0.87

0.99

0.98

0.86

0.84

0.83

0.82

0.95

0.86

PPV (%)

0.8

1.1

1.4

0.6

0.7

1.2

1.4

1.4

1.5

0.8

1.2

NPV (%)

99.5

99.5

99.4

99.4

99.4

99.5

99.5

99.5

99.5

99.5

99.5

Top 20%

Sensitivity

25.8

38.5

35.3

29.9

23.2

40.0

42.8

42.8

41.3

23.3

36.5

Specificity

80.0

80.1

80.1

80.1

80.0

80.1

80.1

80.1

80.1

80.0

80.1

LR+

1.29

1.93

1.78

1.50

1.16

2.01

2.15

2.15

2.08

1.16

1.83

LR−

0.93

0.77

0.81

0.88

0.96

0.75

0.71

0.71

0.73

0.96

0.79

PPV (%)

0.7

1.1

1.2

0.8

0.7

1.1

1.2

1.2

1.1

0.7

1.0

NPV (%)

99.5

99.6

99.5

99.5

99.5

99.6

99.6

99.6

99.6

99.5

99.6

Top 80%

Sensitivity

86.2

95.2

90.7

96.1

71.4

97.0

96.7

97.1

95.6

84.2

85.9

Specificity

20.0

20.1

20.1

20.1

20.0

20.1

20.1

20.1

20.1

20.0

20.0

LR+

1.08

1.19

1.13

1.20

0.89

1.21

1.21

1.21

1.20

1.05

1.07

LR−

0.69

0.24

0.47

0.19

1.43

0.16

0.16

0.15

0.22

0.79

0.71

PPV (%)

0.6

0.7

0.8

0.7

0.5

0.7

0.7

0.7

0.7

0.6

0.6

NPV (%)

99.6

99.9

99.7

99.9

99.2

99.9

99.9

99.9

99.9

99.6

99.6

Top 90%

Sensitivity

94.3

98.0

96.6

99.1

82.7

98.8

99.0

99.1

97.5

91.4

88.7

Specificity

10.0

10.0

10.0

10.1

10.0

10.0

10.1

10.1

10.0

10.0

10.0

LR+

1.05

1.09

1.07

1.10

0.92

1.10

1.10

1.10

1.08

1.02

0.99

LR−

0.56

0.20

0.33

0.09

1.74

0.12

0.10

0.09

0.25

0.86

1.13

PPV (%)

0.6

0.6

0.7

0.6

0.5

0.6

0.6

0.6

0.6

0.6

0.5

NPV (%)

99.7

99.9

99.8

99.9

99.0

99.9

99.9

99.9

99.8

99.5

99.4

  1. Abbreviations: LR+=positive likelihood ratio; LR−=negative likelihood ratio; NPV=negative predictive value; PPV=positive predictive value.