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Table 2 Characteristics of the Searches

From: An alternative to the hand searching gold standard: validating methodological search filters using relative recall

Characteristic

N (total = 105)

%

Number of electronic databases searched:

  

   Median

5

 

   Interquartile range

3–6

 

Number of non-database techniques used:

  

   Median

2

 

   Interquartile range

2–3

 

Phases of the HSSS used:

  

   1 and 2

44

41.9

   1,2 and 3

30

28.6

   Unspecified

31

29.5

Number of included studies indexed in MEDLINE:

  

   Median

9

 

   Interquartile range

4–17