Data Dictionary: The Belgian Virtual Tumourbank

Source: [1]

Source variables
Variable	Meaning
Laboratory	Indicates the place where the samples are stored.
Creation date	Indicates when the data regarding the samples were registered in the BVTr database.
Update date	Indicates when the data regarding the samples was last updated
Reference ID	Internal unique identification number, used by the BCR internally and for communication with researchers.

Patient variables
Variable	Meaning
SSIN	The social security identification number is a unique patient identification number. It allows linkage with other databases
Gender
Age
Patient opposition	Indicates whether the patient opposed to the conservation and use of the residual material.

Technical variables
Variable	Meaning
Sample ID	Unique identification number of a tumour sample in the local tumourbank
Biopsy number	This number corresponds to the pathology report of the tumour sample
Sample date	Indicates the date of sample prelevation
Conservation mode	Indicates the temperature and conditions under which samples are stored in the local biobank
Conservation delay	Indicates the time elapsed between the moment of prelevation and conservation of the sample
Vital state of the patient (at time of resection)	Indicates whether a sample originates from an autopsy or not.
Available materials	indicates the types of residual materials, other than the tumour tissue, that have been collected and stored within a short period after or before the tumour prelevation
Technical remarks