what's the difference between the total output and the amount of input for patient 16088 since 182 days ago?
select ( select sum(inputevents_cv.amount) from inputevents_cv where inputevents_cv.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 16088 ) ) and datetime(inputevents_cv.charttime) >= datetime(current_time,'-182 day') ) - ( select sum(outputevents.value) from outputevents where outputevents.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 16088 ) ) and datetime(outputevents.charttime) >= datetime(current_time,'-182 day') )