ห้าขั้นตอนที่ให้บ่อยที่สุดสำหรับผู้ป่วยที่ได้รับยาระงับประสาทอยู่แล้ว - ลอราซีแพม ภายใน 2 เดือนในปีที่แล้ว? ไม่จำเป็นที่จะต้องใช้ตารางทั้งหมด
what were the five most frequently given procedures for patients who had already had sedative agent - lorazepam within 2 months during the previous year?It is not neccessary to use all the tables.
 medication:  medicationid [ number]  patientunitstayid [ number]  drugname [ text]  dosage [ text]  routeadmin [ text]  drugstarttime [ time]  drugstoptime [ time] 
SELECT t3.treatmentname FROM (SELECT t2.treatmentname, DENSE_RANK() OVER (ORDER BY COUNT(*) DESC) AS c1 FROM (SELECT patient.uniquepid, treatment.treatmenttime FROM treatment JOIN patient ON treatment.patientunitstayid = patient.patientunitstayid WHERE treatment.treatmentname = 'sedative agent - lorazepam' AND DATETIME(treatment.treatmenttime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-1 year')) AS t1 JOIN (SELECT patient.uniquepid, treatment.treatmentname, treatment.treatmenttime FROM treatment JOIN patient ON treatment.patientunitstayid = patient.patientunitstayid WHERE DATETIME(treatment.treatmenttime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-1 year')) AS t2 ON t1.uniquepid = t2.uniquepid WHERE t1.treatmenttime < t2.treatmenttime AND DATETIME(t2.treatmenttime) BETWEEN DATETIME(t1.treatmenttime) AND DATETIME(t1.treatmenttime, '+2 month') GROUP BY t2.treatmentname) AS t3 WHERE t3.c1 <= 5