“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Medicine68Immunology and Microbiology17Agricultural and Biological Sciences8Biochemistry, Genetics and Molecular Biology8Medicine: Internal medicine: Infectious and parasitic diseases1