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Table 1 Epidemiology of the included systematic reviews

From: Evaluating the relationship between citation set size, team size and screening methods used in systematic reviews: a cross-sectional study

Overall cohort (N = 259)
Publication year, N (%)
2017
2018
2019
 Missing/other
8 (3.1)
1443 (55.62)
107 (41.3)
1 (0,3)
Country of origin, N (%)
United States
United Kingdom
China
Australia
Canada
The Netherlands
Germany
Other
43 (16.6)
42 (16.2)
29 (11.2)
23 (8.9)
21 (8.1)
9 (3.5)
6 (2.3)
86 (33.2)
Review type, N (%)
Systematic
Scoping
Integrative
Health technology assessment
 Missing/other
247 (95.4)
7 (2.7)
3 (1.2)
2 (0.8)
2 (0.8)
Population, N (%)
Adult
Pediatric
Both/Unclear
Animal
131 (50.6)
29 (11.2)
96 (37.0)
3 (1.2)
Focus of systematic review, N (%)a
Therapeutic
Epidemiology
Diagnosis
Othera
120 (46.3)
82 (31.7)
201 (7.70.8)
37 (14.32)
Cochrane review, N (%)
Yes 31 (12.0)
No 228 (88.0)
Update, N (%)
Yes 28 (10.8)
No 231 (89.2)
Registered protocol, N (%)
Yes 94 (36.3)
No 165 (63.7)
Alternate screening methodologies used, N (%)
Crowdsourcing 2 (0.7)
Computer assisted screening 1 (0.3)
  1. aExamples of other include education, review of psychometric properties, barriers analysis, cost of illness