instruction: tell me the change in bedside glucose levels of patient 027-178495 measured at 2102-06-02 12:25:17 compared to the value measured at 2102-06-02 00:23:17?
response: SELECT (SELECT lab.labresult FROM lab WHERE lab.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '027-178495')) AND lab.labname = 'bedside glucose' AND lab.labresulttime = '2102-06-02 12:25:17') - (SELECT lab.labresult FROM lab WHERE lab.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '027-178495')) AND lab.labname = 'bedside glucose' AND lab.labresulttime = '2102-06-02 00:23:17')