Novel citation-based search method for scientific literature: a validation study

Table 1 Articles screened and retrieved in replicating the results of literature searches in 250 published reviews

	Articles screened, number	Articles retrieved, percentage
In published review	794 (273, 2132)	100
Co-citation search
All co-cited articles	5151 (2709, 10,490)	75.0 (58.2, 87.5)
Co-cited > 1	1119 (544, 2509)	60.0 (45.2, 78.3)
Co-cited > 1%*	696 (461, 978)	56.1 (40.0, 75.0)
100 Top-ranked**	109 (103, 123)	37.5 (22.5, 50.0)
Citation search
Citing or cited by > 1	83 (38, 176)	50.0 (17.9, 75.8)
Total	873 (540, 1204) ***	75.0 (50.0, 90.1)

All values are median and inter-quartile range (IQR). *Co-cited more than once and in more than 1% of the citing articles. The articles retrieved from this search were used to run the citation search. ** Median is higher than 100 because we included all articles that had the same co-citation frequency as the 100th article. *** Sum of results in the co-citation ‘co-cited> 1%’ and citation searches combined, without removing duplicates. See details in methods

ISSN: 1471-2288