CMDHB breast cancer database
Description:
To collect and maintain BreastScreen data also for reporting.
Additional information:
Have_(encrypted)_NHI | No |
Personally identifiable (e.g. linked to NHI numbers) and longitudinal or aggregated (e.g. for planning, clinical research etc.)? | Yes, NHI is the primary key. These are done outside the database, ie in reporting. |
Volume of data (e.g. how many records) Since when? | Nearly 80,000 records from 2005 (original data migrated from other service) |
Purpose and governance including ethics committee/patient consent mechanisms. Q: How do you get around ethics/privacy issues with your data sources? Esp. DHBs? | We had privacy impact assessment within DHB. Patient need to sign consent form for us collecting information. |
Scope | Regional |
Does the data contain diagnoses and clinical outcomes? Does the data contain procedures, device information and medication for therapy? Does this data set have cost / price data? | Yes, Has procedures, no device information. Not much medication information. No cost/price data. |
Presence of Data dictionary? Column headings in Excel or any kind of data model if residing in a relational database (e.g. Access, SQL Server, Oracle etc.) | Data Dictionary not provided by vendor, however we try to query SQL database. |
Linked (or linkable) to other datasets within your organisation or across the Sector | Linked to NZHIS, PACS. |
How often does this data set get updated? Daily? Weekly? Monthly? Quarterly? Yearly? | Anytime during business hours. |
Indication of data quality (e.g. missing values, duplications, inconsistencies etc.). Q: Audits? How do you ensure the data is valid and correct? | We have policies and procedures to monitor and maintain data quary. We run quereis and reports and also audits. |
Brief info about the systems and processes used to collect/manage data. Q: Where the data is collected, in what form, and accessibility? | From patient forms and conversation with patients and GP referals. |
Data format, e.g., data structure, data types, and storage form (relational database, Excel, csv, etc.). | It is relational database and data in all formats. |
How well the data is structured, e.g. free text VS coded text VS pick-list (drop-down list) | Mostly in drop-down list, only a few in free text. |
How quickly can the data be made available from time of request and how old is the data once it is made available | Data is available as soon as it is collected. Not sure what how old you mean? We don't delete any data. |