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Table 2 Results overview: correlation coefficients

From: Correlation between article download and citation figures for highly accessed articles from five open access oncology journals

  All 5 journals Radiation oncology Journal of hematology and oncology World journal of surgical oncology BMC cancer Molecular cancer
All top 50 articles 0.23 0.01 0.22 0.18 0.02 0.30
Limited to 2011 0.47 * −0.19 * * *
Limited to 2010 −0.03 * 0.44 * * *
Limited to 2009 0.18 0.01 0.67 0.44 −0.77 0.17
Limited to 2008 0.01 0.18 −0.21 * 0.22 *
All case reports 0.53 * 0.54 0.52 * *
Case reports 2011 * * * * * *
Case reports 2010 * * * * * *
Case reports 2009 * * * * * *
Case reports 2008 * * * * * *
All reviews 0.21 −0.28 0.25 −0.09 * 0.22
Reviews 2011 0.41 * −0.25 * * *
Reviews 2010 0.09 * 0.23 * * *
Reviews 2009 0.30 * 0.78 * * *
Reviews 2008 −0.57 * * * * *
All research articles 0.34 0.08 0.06 0.51 0.10 0.55
Research articles 2011 * * * * * *
Research articles 2010 −0.42 * * * * *
Research articles 2009 −0.13 0.02 * * * *
Research articles 2008 0.27 0.05 * * 0.22 *
  1. *Not calculated because 5 or less articles available for analysis.