“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.
Health Professions549Psychology234Medicine116Social Sciences97Environmental Science95Medicine: Internal medicine: Medical emergencies. Critical care. Intensive care. First aid1Medicine: Internal medicine: Special situations and conditions1