what would be the minimum daily number of patients diagnosed with chrnc hpt c w hepat coma since 1 year ago?
select min(t1.c1) from ( select count( distinct diagnoses_icd.hadm_id ) as c1 from diagnoses_icd where diagnoses_icd.icd9_code = ( select d_icd_diagnoses.icd9_code from d_icd_diagnoses where d_icd_diagnoses.short_title = 'chrnc hpt c w hepat coma' ) and datetime(diagnoses_icd.charttime) >= datetime(current_time,'-1 year') group by strftime('%y-%m-%d',diagnoses_icd.charttime) ) as t1