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

Harron K, Parslow R, Mok Q, Tibby SM, Wade A, Muller-Pebody B, Gilbert R.

Crit Care Med. 2015 May;43(5):1070-8.

Interventions to reduce hospital-acquired bloodstream infection have succeeded in reducing rates in U.S. PICUs, but there is a lack of evidence for the impact of similar interventions in the United Kingdom. We assessed variation in bloodstream infection rates within and between PICUs over a 10-year period, during which time infection control strategies (care bundles) were implemented.