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Table 3 Retrieval of articles that had no direct connections to the known articles

From: Novel citation-based search method for scientific literature: application to meta-analyses

Published meta-analysis Number of articles without direct connections Retrieved in:
All co-citations All co-cited > 1 Frequently co-cited
Boothe [27] 1 1 1 1
Frolkis [16] 8 7 5 4
Oliver-Williams [28] 5 3 0 0
Knoll [17] 16 14 14 7
Stevanovic [29] 4 4 2 2
De Vries [30] 4 4 4 2
Crider [31] 1 1 1 1
Herretes [32] 0 0 0 0
Gharaibeh [33] 14 13 8 6
Gu [34] 2 2 2 1
Total 55 49 37 24
  1. The table summarizes data presented in Additional file 1: Figure S1. For example, in the meta-analysis of Boothe et al. [27], only one article included in the meta-analysis had no direct connection with either of the two known studies. That article was frequently co-cited and was thus identified at any of the three thresholds