วันที่ 24/12/2105 หลอดเลือดแดง bp [ซิสโตลิก] ของผู้ป่วย 12775 อยู่ในภาวะปกติหรือไม่ ไม่จำเป็นต้องใช้ตารางทั้งหมด
on 12/24/2105 the arterial bp [systolic] of patient 12775 had been normal?It is not neccessary to use all the tables.
 d_items:  row_id [ number]  itemid [ number]  label [ text]  linksto [ text] 
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 = 12775)) AND chartevents.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'arterial bp [systolic]' AND d_items.linksto = 'chartevents') AND chartevents.valuenum BETWEEN systolic_bp_lower AND systolic_bp_upper AND STRFTIME('%y-%m-%d', chartevents.charttime) = '2105-12-24'