Method for linking de-identified patients using encrypted...

Details Method for linking de-identified patients using encrypted... Method for linking de-identified patients using encrypted...

2005-07-28

2010-02-23

Truong, Cam Y. (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C705S002000, C705S003000

Reexamination Certificate

active

07668820

ABSTRACT:
A longitudinal database of de-identified patient healthcare transaction data records linked by longitudinal linking tags (IDs) is provided. A new healthcare transaction data record, which may include alphanumeric identification code attributes, third party attributes and/or demographic attributes, is assigned an linking ID associated with a previous healthcare transaction data record based upon successful comparison of either a designated set of identification code attributes or a designated set of demographic attributes. The longitudinal data base is assembled by a matching process in which a new data record is compared level by level with previous healthcare transaction data records through a hierarchy of a first series of matching levels each defined by a designated set of alphanumeric identification code attributes and a second series of matching levels each defined by a designated set of attributes including demographic attributes and then assigned the ID associated with a successfully matched reference data record.

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