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Table 2 Characteristics of 35 QA tools, checklists and GPRs

From: Quality appraisal for systematic literature reviews of health state utility values: a descriptive analysis

Description of data item analysed

QA tools and GPRs identified

N = 35

%

Document typea

 Reviews

1

2.9%

 Technical documents (recommendations) with a QA tool developed or added

5

14.3%

 Technical documents (recommendations)

8

22.9%

 Systematic literature reviews (SLRs)

8

22.9%

 Standardized tools

13

37.1%

NICE/ISPOR tool

 Yes

6

17.1%

 No

29

82.9%

Critical assessment formata

 Domain based (ranking)

9

25.7%

 Checklist

7

20.0%

 Scale based

6

17.1%

 Not specific

1

2.9%

 NA

12

34.3%

QA dimensions incorporatedb

 Rob only

12

34.3%

 Reporting quality only

4

11.4%

 Rob and relevancy

2

5.7%

 Reporting and Rob

3

8.6%

 Reporting, Rob (methodological) and relevancy

9

25.7%

 NA

5

14.3%

  1. Source: Authors’ elaboration
  2. QA Quality appraisal, NA Not applicable, Rob Risk of bias, SLR Systematic Literature review, GPR Good practice recommendations
  3. aDefinition of terms explained in Table 1
  4. bAdditional details on the definition of each category is provided in Additional file 1, Supplementary material 4, Table A.4