had the calcium gluconate, fosphenytoin or vancomycin been prescribed for patient 2498 until 1 year ago?
select count(*)>0 from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 2498 ) and prescriptions.drug in ( 'calcium gluconate', 'fosphenytoin', 'vancomycin' ) and datetime(prescriptions.startdate) <= datetime(current_time,'-1 year')