Table 3

Summary of responses to the questionnaire on reviewers' experience of using QUADAS

Reviewer Number

Coverage?

Omit items?

Add items?

Modify item?

Easy to understand?

Scoring?

Different scoring?

Time to complete (minutes)

Inter-rater reliability?

Coverage*

Ease of use*

Clarity of instruction*

Validity*

Use again?*


1

+

-

+

-

+

+

-

30–60

-

5

3

5

5

+

2

+

-

-

+

+

+

-

<10

-

4

4

3

4

+

3

+

+

-

-

+

+

-

<10

-

4

4

5

3

+

4

+

-

-

-

+

+

-

30–60

-

4

4

4

4

+

5

+

-

-

-

+

+

-

15–30

-

5

4

5

5

+

6

+

-

-

-

+

+

-

15–30

-

5

3

4

4

+

7

+

-

-

-

+

-

-

15–30

+

4

4

2

2

+

8

+

-

-

-

+

-

-

15–30

+

4

4

3

3

+

9

-

-

+

-

+

+

+

>60

-

4

5

5

4

+

10

+

-

-

-

+

+

-

<10

-

5

5

5

5

+

11

+

-

+

-

+

+

-

15–30

-

4

3

4

3

+

12

-

-

-

-

+

+

-

15–30

-

5

3

5

3

+

13

+

+

+

-

-

-

-

10–15

-

4

3

3

5

+

14

+

+

-

-

+

+

-

10–15

-

4

4

4

4

+

15

+

-

-

-

+

+

-

10–15

-

5

4

4

4

+

16

+

-

-

-

+

+

-

10–15

-

4

3

4

4

+

17

+

-

-

-

+

+

-

<10

-

4

4

4

4

+

18

+

-

-

-

+

+

-

<10

-

5

5

5

3

+

19

+

-

-

-

+

+

-

10–15

-

4

4

4

4

+

20

+

-

-

-

+

+

-

15–30

-

5

4

5

4

+


*Each of these items were rated from 1–5 where 1 is strongly disagree (very poor) and 5 is strongly agree (excellent)

Whiting et al. BMC Medical Research Methodology 2006 6:9   doi:10.1186/1471-2288-6-9

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