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Table 6 Cross-validation of methods and difference between sensitivity and specificity obtained before and after imputation

From: A holistic comparative analysis of diagnostic tests for urothelial carcinoma: a study of Cxbladder Detect, UroVysion® FISH, NMP22® and cytology based on imputation of multiple datasets

 

Supervised imputation

Unsupervised imputation

Imputation method

Leave-one-out cross-validation accuracy of the imputation, %

Sensitivity difference before and after imputation, %

Specificity difference before and after imputation, %

Average absolute difference before and after imputation, %

Leave-one-out cross-validation accuracy of the imputation, %

Sensitivity difference before and after imputation, %

Specificity difference before and after imputation,%

Average absolute difference before and after imputation, %

3NN

 

Cytology

96.70

2.68

0.02

1.35

96.70

2.68

0.02

1.35

NMP22

83.44

3.30

0.41

1.86

83.19

3.30

0.29

1.80

FISH

83.17

7.42.

1.70

4.56

85.49

1.80

0.99

1.40

Cxbladder Detect

81.44

−1.38

0.67

1.03

80.44

1.99

3.03

2.51

Mean for method

86.19

3.01

0.70

2.20

86.46

2.44

1.08

1.76

5NN

 

Cytology

96.69

2.68

0.02

1.35

96.69

2.68

0.02

1.35

NMP22

84.20

1.05

−1.03

1.04

84.07

5.54

−1.01

3.28

FISH

84.54

10.79

−4.96

7.88

85.80

8.54

−4.61

6.58

Cxbladder Detect

81.94

−1.38

−1.01

1.20

81.10

1.99

2.32

2.16

Mean for method

86.84

3.29

−1.75

2.87

86.92

4.69

−0.82

3.34

10NN

 

Cytology

96.69

2.68

0.02

1.35

96.69

2.68

0.02

1.35

NMP22

86.09

1.05

−1.36

1.21

85.84

5.54

−1.12

3.33

FISH

86.12

10.79

−4.13

7.46

85.80

16.40

−3.06

9.73

Cxbladder Detect

82.44

−1.38

−2.74

2.06

81.77

0.87

0.20

0.53

Mean for method

87.84

3.29

−2.05

3.02

87.53

6.37

−0.99

3.74

MLR

 

Cytology

96.69

2.68

0.02

1.35

96.69

2.68

0.02

1.35

NMP22

85.59

2.17

−1.59

1.88

85.21

5.54

−1.59

3.56

FISH

89.58

−7.19

−6.75

6.97

89.58

−7.19

−6.39

6.79

Cxbladder Detect

84.11

−1.38

5.50

3.44

84.20

1.99

−1.92

1.95

Mean for method

88.99

−0.93

−0.70

3.41

88.92

0.75

−2.47

3.42

MLP

 

Cytology

95.87

1.55

0.02

0.79

95.87

2.68

0.02

1.35

NMP22

86.35

5.54

−1.59

3.56

83.19

5.54

−1.59

3.56

FISH

89.25

−9.44

−6.87

8.16

88.60

−7.19

−6.39

6.79

Cxbladder Detect

82.78

0.87

−2.39

1.63

82.47

1.99

−1.92

1.95

Mean for method

88.56

−0.37

−2.71

3.53

87.53

−2.47

−2.47

3.42

  1. Difference = measured – imputed