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Friday 1 August 2014

What are 'CDISC Time points' and their role

-TPTREF, -RFTDTC,-ELTM,-TPT,-TPTNUM








-TPTREF  : Name of the fixed reference point
                     Ex: Dose administration
                            Previous dose
-RFTDTC : Date/time of reference time point (-TPTREF)
-ELTM : Planned elapsed time relative to planned fixed reference(-TPTREF)
-TPT : Planned Time point name-Text description of time when specimen should be taken
Ex : 0-8hrs after dosing
-TPTNUM : Time point number-Numerical version of –TPT, to aid in sorting

-DTC : Collection Date/time





Ex: Vital signs measurements taken at 30, 60 & 90 min after dosing

VSTPTNUM
VSTPT
VSELTM
VSTPTREF
VSRFTDTC
VSDTC
1
30 min
PT30M
DOSING
2008-09-01T08:00
2008-09-01T08:30
2
60 min
PT1H
DOSING
2008-09-01T08:00
2008-09-01T09:01
3
90 min
PT1H30M
DOSING
2008-09-01T08:00
2008-09-01T09:32

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