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Table 3 Individual results of the evaluations

From: Single screening versus conventional double screening for study selection in systematic reviews: a methodological systematic review

Evaluation

Reviewer

Review or set of screenings

Number of missed studies

Number of included studies (gold standard)

Proportion of missing studies

Results of the re-analysis of the meta-analysiszz

Edwards 2002

1

Set A

0

22

0%

n.a.

1

Set B

1

30

3%

n.a.

1

Set C

3

31

10%

n.a.

2**

Set A

2

22

9%

n.a.

2**

Set D

2

20

10%

n.a.

2**

Set E

7

29

24%

n.a.

3

Set B

1

30

3%

n.a.

3

Set D

1

20

5%

n.a.

3

Set F

5

24

21%

n.a.

4

Set C

2

31

6%

n.a.

4

Set E

0

29

0%

n.a.

4

Set F

1

24

4%

n.a.

Doust 2005

1

Tympanometry

1

33

3%

n.a.

2**

Tympanometry

1

33

3%

n.a.

1

Natriuretic peptides

0

20

0%

n.a.

2**

Natriuretic peptides

0

20

0%

n.a.

Pham 2016

1

Wilhelm 2011

2

19

11%

Negligible impact on findings

1

Greig 2012

2

36

6%

Negligible impact on findings

1

Bucher 2015

0

18

0%

No impact on findings

2**

Wilhelm 2011

11

19

58%

Substantial change in findings

2**

Greig 2012

7

36

19%

Substantial change in findings

2**

Bucher 2015

3

18

17%

Substantial change in findings

Shemilt 2016

1

Park 2015

1

169

1%

Negligible impact on findings

Overall Result

  

53

733

  
  1. ** Reviewer with less experience than the other reviewer(s) involved
  2. n.a. not applicable