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An example of the SDTM datasets used to represent the data collected on the above CRF are provided below.    

Dataset wrap
Rowcaps
Rows 1, 3, 7, 9: Show whether the subject has used any medications to help with nicotine dependence. These include nicotine replacement therapies and pharmaceuticals drugs like VareniclineSince this was pre-specified on the CRF, CMPRESP=Y. The sponsor assigned CMTRT to "DRUG USED IN NICOTINE DEPENDENCE" which was the category name in an external dictionary. 
Rows 2, 4, 5, 6: Show the various medications that were used by subjects. CMSCAT is used to indicate that these data are associated with the LAST ATTEMPTED USE WITH THIS MEDICATION. CMDUR is the collected duration of the product use. This is used only if collected on the CRF and not derived from start and end date/times. CMDUR is provided using ISO 8601 duration notation.  CMPRESP is null since the specific medication used is not pre-specified.   
Dataset2
RowSTUDYIDDOMAINUSUBJIDCMSEQCMTRTCMCATCMSCATCMPRESPCMOCCURCMDTCCMDUR
11234CM12340051DRUG USED IN NICOTINE DEPENDENCE

YY2008-08-08
21234CM12340052NICOTINE PATCH XYZNICOTINE REPLACEMENT THERAPYLAST ATTEMPTED USE WITH THIS MEDICATION


P2M
31234CM12340061DRUG USED IN NICOTINE DEPENDENCE

YY2008-11-12
41234CM12340062NICOTINE GUM ABCNICOTINE REPLACEMENT THERAPYLAST ATTEMPTED USE WITH THIS MEDICATION


P3M
51234CM12340063NICOTINE LOZENGES ABCNICOTINE REPLACEMENT THERAPYLAST ATTEMPTED USE WITH THIS MEDICATION


P2W
61234CM12340061BUPROPIONDRUG USED IN REDUCING NICOTINE DEPENDENCE OTHER THAN NRTSLAST ATTEMPTED USE WITH THIS MEDICATION


P1M
71234CM12340072DRUG USED IN NICOTINE DEPENDENCE

YY2008-06-12
81234CM12340073VARENICLINEDRUG USED IN REDUCING NICOTINE DEPENDENCE OTHER THAN NRTSLAST ATTEMPTED USE WITH THIS MEDICATION


P40D
91234CM12340121DRUG USED IN NICOTINE DEPENDENCE

YN2008-03-05

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