CHAVI Data Dictionary

This page has the list of all fields in the CHAVI database.

CHAVI hosts a wealth of clinical data related to the patients from whom the images have been obtained. This data is available in a relational database which allows you to construct complex queries to search the image data. Thus not only can you access this data of the dataset as a whole but you can also access data across different projects. The database architecture is described in the database page. This page has the list of all available database fields for which clinical data may be available. Please note that data in all fields may not be available for all patients.

Please note that this is the data dictionary and to search the available data you need credentials for the CHAVI repository

You can filter the list by the database table, field type as well as search for text keywords related to the field.

Select Database Table

Select the database table to filter the list.

Field Type

Choose the field type to filter the list.

Data Stored

Please enter one or more keywords to search and filter the list

**Data Base Table Name chemotherapy:** *Stores data on chemotherapy received*
Database Table	Field ID	Field Type Sort ascending	Data Stored in Field	Allowed Values
chemotherapy	chemotherapycycles	Integer	Number of cycles of chemotherapy received	NA

**Data Base Table Name habits:** *This table has information on the substance abuse related habits the patient may have or had in the past. The table is linked again to patientinfo table.*
Database Table	Field ID	Field Type Sort ascending	Data Stored in Field	Allowed Values
habits	substance_duration_year	Integer	Duration was substance was abused. The duration is measured in years	NA
habits	durationsubstanceusestop	Integer	Duration in years since when substance was last used. Would be 0 in case it is being currently used	NA

**Data Base Table Name nodalstatus:** The nodal status table has information on the nodal involvement noted in pathology. Please note that this table is not capturing information obtained in radiological evaluation. The table is linked to diagnosis to allow situations where patient has unknown primary with neck nodes. The table is linked to the following tables: diagnosis
Database Table	Field ID	Field Type Sort ascending	Data Stored in Field	Allowed Values
nodalstatus	nodes_examined	Integer	Number of nodes examined in the pathology specimen	NA
nodalstatus	nodes_itc	Integer	Number of nodes with isolated tumor cells found in pathology	NA
nodalstatus	nodes_positive	Integer	Number of nodes found positive in the pathology specimen	NA
nodalstatus	nodes_micromets	Integer	Number of nodes with micrometastases in pathology	NA

**Data Base Table Name patientinfo:** *Patient basic demographic information is captured here. Diagnosis data is linked to this. Also links to habits table, familyhistory,mensthistory and survival tables.*
Database Table	Field ID	Field Type Sort ascending	Data Stored in Field	Allowed Values
patientinfo	age	Integer	Age of the patient in years.	NA

**Data Base Table Name immunotherapy:** *Stores data on immunothterapy received.*
Database Table	Field ID	Field Type Sort ascending	Data Stored in Field	Allowed Values
immunotherapy	immunotherapycycles	Integer	Number of cycles of immunotherapy received	NA

**Data Base Table Name familyhistory:** *This table stores information on family history*
Database Table	Field ID	Field Type Sort ascending	Data Stored in Field	Allowed Values
familyhistory	ageatdiagnosis	Integer	Age of the family member at the diagnosis of his/her cancer	NA