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Table 1 General characteristics of published DRMAs of the abstract

From: Assessment of the abstract reporting of systematic reviews of dose-response meta-analysis: a literature survey

Category by items All Publications (N = 529)
Word count 245 (212 to 267.5)
 ≤250 307 (58.0%)
 > 250 222 (42.0%)
Structured abstract
 Yes 338 (63.9%)
 No 191 (36.2%)
Number of authors [median (IQR)] 6 (4 to 8)
  ≤ 4 171 (32.3%)
 5 ~  6 125 (23.6%)
 7 ~  8 153 (28.9%)
  > 8 80 (15.1%)
Year of publish
 2011 35 (6.6%)
 2012 44 (8.3%)
 2013 56 (10.6%)
 2014 117 (22.1%)
 2015 120 (22.7%)
 2016 85 (16.0%)
 2017 (up to July-31) 72 (13.6%)
Journals (n = 174 for journal numbers)
 Specialist journal (disease-specific) 365 (69.0%)
 General journal (all diseases) 119 (22.5%)
 Epidemiology or public health 45 (8.5%)
Region of first author
 Asian 350 (66.2%)
 European 129 (24.4%)
 America 47 (8.9%)
 Australia 3 (0.6%)
Funding
 Yes 337 (63.7%)
 No 54 (10.2%)
 Not reported 138 (26.1%)
  1. IQR interquartile range
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