น้ำหนักของผู้ป่วย 23070 แตกต่างจากค่าที่วัดได้ที่ 2105-12-12 040000 เท่าใด เมื่อเทียบกับค่าที่วัดที่ 2105-12-08 030000 ไม่จำเป็นต้องใช้ตารางทั้งหมด
how much did patient 23070's weight differ from the value measured at 2105-12-12 040000 compared to the value measured at 2105-12-08 030000?It is not neccessary to use all the tables.
 d_icd_procedures:  row_id [ number]  icd9_code [ text]  short_title [ text]  long_title [ text] 
SELECT (SELECT chartevents.valuenum 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 = 23070)) AND chartevents.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'admit wt' AND d_items.linksto = 'chartevents') AND chartevents.charttime = '2105-12-12 04:00:00') - (SELECT chartevents.valuenum 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 = 23070)) AND chartevents.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'admit wt' AND d_items.linksto = 'chartevents') AND chartevents.charttime = '2105-12-08 03:00:00')