did patient 366 have microbiological test results from the mrsa screen until 1 year ago?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 366 ) and microbiologyevents.spec_type_desc = 'mrsa screen' and datetime(microbiologyevents.charttime) <= datetime(current_time,'-1 year')