Percentage decreases and increases and overall mean percentage differences in published case reports for impact factor categories between the first and last decade of activity in the reference period
| IF ≥4 | IF 3 to <4 | IF 2 to <3 | IF 1 to <2 | IF<1 | |
| d-CR % | American Journal of Surgical Pathology −24.5% Modern Pathology −16% Archives of Pathology and Laboratory Medicine −37.9% | Histopathology −23.9% Virchows Archiv −3.2% | Human Pathology −17.3% Pathology Research and Practice −4% Pathology and Oncology Research −8.7% Journal of Clinical Pathology −1.6% American Journal of Clinical Pathology −17.3% | Histology and Histopathology −8.8% Annals of Diagnostic Pathology −15.7% Acta Cytologica −25.8% | Journal of Cytology −1.1% |
| i-CR % | Pathology + 5.3% Advances in Anatomic Pathology + 5.4% | APMIS +0.5% | Diagnostic Pathology +23.7% | Acta Pathologica Japonica / Pathology International+0,7%
Applied Immunohistochemisty & Molecular Morphology +1% Cytopathology +9.1% Diagnostic Cytopathology +12.2% | Polish Journal of Pathology+1%
Romanian Journal of Morphology and Embriology +6.5% International Journal of Surgical Pathology +31.7% Cytojournal +12.1% Pathologica +21.3% Indian Journal of Pathology and Microbiology +34.2% |
| oam-CR % | −13.54 | −8.86% | −4.2% | −3.9% | +15.1% |
CR, case report; d, decreased; i, increased; IF, impact factor; oam, overall mean.