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CT:Decision Tree for Non-tumor Lesion Modeling: Target vs Non-Target for Study Intervention
CT:Decision Tree for Non-tumor Lesion Modeling: Target vs Non-Target for Study Intervention

Example 1: mapping the entire abnormality identification process in CV, pretending the non-tumor lesion domains don't exisit.

Dataset2


ROW

STUDYID

DOMAIN

USUBJID

CVSEQ

CVLNKGRPCVGRPIDCVTESTCD

CVTEST

CVLOC

CVORRES

CVORRESUCVSTRESCCVSTRESNCVSTRESUCVRESLOCCVRLODTL

CVMETHOD

VISITNUM

VISIT

CVDTC

1ABCCVABC-1231
TRABNINDAbnormality IndicatorThoracic RegionY
YY


CT SCAN

1BASELINE2020-04-27
2ABCCVABC-1232Target 1TR-AneurysmABNEXAMExamination for AbnormalityThoracic RegionAneurysm
AneurysmAneurysm
Thoracic AortaAortic Arch to Descending aorta

CT SCAN

1BASELINE2020-04-27
3ABCCVABC-1233
ARABNINDAbnormality IndicatorAbdominal regionY
YY


CT SCAN

1BASELINE2020-04-27
4ABCCVABC-1234Non-Target 1AR-AneurysmABNEXAMExamination for AbnormalityAbdominal regionAneurysm
AneurysmAneurysm
Infrarenal aortaproximal to the iliac bifurcation

CT SCAN

1BASELINE2020-04-27
5ABCCVABC-1235Target 1TR-AneurysmABNROIDAbnormality (Role) Identification
Target for study intervention
Target for study interventionTarget for study intervention


CT SCAN

1BASELINE2020-04-27
6ABCCVABC-1236Non-Target 1AR-AneurysmABNROIDAbnormality (Role) Identification
Non-target for study intervention, monitor
Non-target for study intervention, monitorNon-target for study intervention, monitor


CT SCAN

1BASELINE2020-04-27
7ABCCVABC-1237Target 1TR-AneurysmLENGTHLength
4cm44cm

CT SCAN

1BASELINE2020-04-27
8ABCCVABC-1238Target 1TR-AneurysmMAXLDIAMaximal Luminal Diameter
5cm55cm

CT SCAN

1BASELINE2020-04-27
9ABCCVABC-1239Non-Target 1AR-AneurysmLENGTHLength
2cm22cm

CT SCAN

1BASELINE2020-04-27
10ABCCVABC-12310Non-Target 1AR-AneurysmMAXLDIAMaximal Luminal Diameter
2.5cm2.52.5cm

CT SCAN

1BASELINE2020-04-27



Example 1: Observed abnormality that's also a lesion, but "non-target" for study intervention, it is not treated and continuously monitored.

...

Dataset wrap
titlecv.xpt
NameTR


Dataset2


Row

STUDYID

DOMAIN

USUBJID

TRSEQTRLNKIDTRTESTCD

TRTEST

TRORRES

TRORRESU

TRSTRESC

TRSTRESN

TRSTRESU

VISITNUM

VISIT

TUDTC

1ABCTRABC-1231TR-AneurysmLENGTHLength4cm44cmcmBASELINE2020-04-27
2ABCTRABC-1232TR-AneurysmMAXLDIAMaximal Luminal Diameter5cm55cmcmBASELINE2020-04-27
3ABCTRABC-1233TR-AneurysmLENGTHLength2cm22cmcmVISIT 22020-05-27
4ABCTRABC-1234TR-AneurysmMAXLDIAMaximal Luminal Diameter3cm33cmcmVISIT 22020-05-27

Example 3: what the data should look like if there aren't separate non-tumor lesion domains, whether or not the aneurysm is treated with a study intervention. Pretend there are no TU/TR.

Dataset wrap
titlecv.xpt
Namecv
Dataset2
2020-04

ROW

STUDYID

DOMAIN

USUBJID

CVSEQ

CVGRPIDCVTESTCD

CVTEST

CVLOC

CVCAT

CVORRES

CVORRESUCVSTRESCCVSTRESNCVSTRESUCVRESLOCCVRLODTL

CVMETHOD

VISITNUM

VISIT

CVDTC

1ABCCVABC-1231TRABNINDAbnormality IndicatorThoracic RegionTARGET FOR STUDY TREATMENTYYY

CT SCAN

1BASELINE2020-04-272ABCCVABC-1232TR-AneurysmABNEXAMExamination for AbnormalityThoracic RegionTARGET FOR STUDY TREATMENTAneurysmAneurysmAneurysmThoracic AortaAortic Arch to Descending aorta

CT SCAN

1BASELINE2020-04-273ABCCVABC-1233ARABNINDAbnormality IndicatorAbdominal regionNON-TARGET FOR STUDY TREATMENT (MONITORING)YYY

CT SCAN

1BASELINE2020-04-274ABCCVABC-1234AR-AneurysmABNEXAMExamination for AbnormalityAbdominal regionNON-TARGET FOR STUDY TREATMENT (MONITORING)AneurysmAneurysmAneurysmInfrarenal aortaproximal to the iliac bifurcation

CT SCAN

1BASELINE2020-04-275ABCCVABC-1235TR-AneurysmLENGTHLengthTARGET FOR STUDY TREATMENT4cm44cm

CT SCAN

1BASELINE2020-04-276ABCCVABC-1236TR-AneurysmMAXLDIAMaximal Luminal DiameterTARGET FOR STUDY TREATMENT5cm55cm

CT SCAN

1BASELINE2020-04-277ABCCVABC-1237AR-AneurysmLENGTHLengthNON-TARGET FOR STUDY TREATMENT (MONITORING)2cm22cm

CT SCAN

1BASELINE2020-04-278ABCCVABC-1238AR-AneurysmMAXLDIAMaximal Luminal DiameterNON-TARGET FOR STUDY TREATMENT (MONITORING)2.5cm2.52.5cm

CT SCAN

1BASELINE-27




The TU/TR/RS domains were created for tumors which in themselves don't belong in any body system domains (tumor can grow and spread to any place), hence they are in their own domains. At some point, non-tumor lesion was added to TU/TR. SDTM now has body-system domains, it then begs the question whether a separate non-tumor lesion domain is needed, when most "lesions" and things that could be considered as lesions, can go into their respective body-system domains. Can the body system domains offer the "unique lesion identifier" through the use of, GRPID, REFID, or other identifier variables?

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