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Table 1 Discrimination and difficulty abilities of BDDQ-AS items

From: French translation, cultural adaptation and validation of the BDDQ-AS for rhinoplasty patients

 

Estimate

95% CI

BDDQ-AS 1

 Discrimination

2.52

1.51

3.54

 Difficulty

0.43

0.22

0.64

BDDQ-AS 2

 Discrimination

3.47

2.02

4.92

 Difficulty

0.48

0.29

0.66

BDDQ-AS 3

   

 Discrimination

5.31

3.50

7.12

Difficulty

  > =2

0.31

0.16

0.47

  > =3

0.63

0.46

0.80

  > =4

1.33

1.07

1.58

 5

1.84

1.46

2.23

BDDQ-AS 4

 Discrimination

10.38

4.82

15.93

Difficulty

  > =2

0.49

0.34

0.63

  > =3

0.74

0.58

0.90

  > =4

1.21

0.99

1.44

 5

1.93

1.54

2.32

BDDQ-AS 5

 Discrimination

8.69

5.14

12.24

Difficulty

  > =2

0.44

0.29

0.59

  > =3

0.81

0.64

0.98

  > =4

1.36

1.11

1.61

 5

1.65

1.33

1.97

BDDQ-AS 6

 Discrimination

3.80

2.41

5.20

Difficulty

  > =2

0.77

0.57

0.96

  > =3

1.02

0.79

1.24

  > =4

1.53

1.19

1.86

 5

2.08

1.55

2.61

BDDQ-AS 7

 Discrimination

2.61

1.47

3.75

 Difficulty

0.83

0.59

1.08

  1. Hybrid models with 2-parameter logistic sub-models for BDDQ-AS 1, BDDQ-AS 2, and BDDQ-AS 7 and graded response sub-models (RSM) for BDDQ-AS 3, BDDQ-AS 4, BDDQ-AS 5, and BDDQ-AS 6 items. The p-values for all the estimates < 0.001
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Journal of Otolaryngology - Head & Neck Surgery

ISSN: 1916-0216

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