Table 2 Results overview: correlation coefficients
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 | * |