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Table 5 Citations of editorials, comments, letters, and perspectives in the academic literature as compared to other article types (from the Web of Science by November 2013)

From: Conflicts of interest and critiques of the use of systematic reviews in policymaking: an analysis of opinion articles

  Supportive articles Critical articles Total articles
Editorials, comments, letters, and perspectives (n = 8) (n = 12) (n = 20)
  Total number of citations 146 220 366
  Average number of citations 18 18 18
  Median number of citations 5.5 3 5
  Range of citations 0–107 0–78 0–107
Other article types (reviews, research, and case studies) (n = 26) (n = 13) (n = 39)
  Total number of citations 1109 604 1713
  Average number of citations 43 50 44
  Median number of citations 19 21 19
  Range of citations 0–490 5–220 0–490