is there any microbiological result for the sputum of patient 48868 since 108 months ago?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 48868 ) and microbiologyevents.spec_type_desc = 'sputum' and datetime(microbiologyevents.charttime) >= datetime(current_time,'-108 month')