Identifying Possible False Matches in Anonymized Hospital Administrative Data without Patient Identifiers

Hagger-Johnson G, Harron K, Gonzalez-Izquierdo A, Cortina-Borja M, Dattani N, Muller-Pebody B, Parslow R, Gilbert R, Goldstein H.

Health Serv Res. 2015 Aug;50(4):1162-78.

To identify data linkage errors in the form of possible false matches, where two patients appear to share the same unique identification number.