had patient 4469 have a arterial bp [diastolic] greater than 68.0 during the first hospital encounter?
select count(*)>0 from chartevents where chartevents.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 4469 and admissions.dischtime is not null order by admissions.admittime asc limit 1 ) ) and chartevents.itemid in ( select d_items.itemid from d_items where d_items.label = 'arterial bp [diastolic]' and d_items.linksto = 'chartevents' ) and chartevents.valuenum > 68.0