Evaluation of QUADAS, a tool for the quality assessment of diagnostic accuracy studies

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)

ISSN: 1471-2288