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. Author manuscript; available in PMC: 2015 Apr 22.
Published in final edited form as: Evid Based Libr Inf Pract. 2014;9(3):28–50. doi: 10.18438/b8dw3k

Table 2.

Number of Resources Utilized for Systematic Review Searches

Resources Range (number) Resources Mean (number) Resources Median (number) Quartiles (Q1,Q3)
Total Resources Searched 3–27 9 8 (5,10)
Grey Literature Resources Searched 1–14 4 2 (1.25,5.5)
Non-Grey Literature Resources Searched 2–13 5 4 (3,5.75)