Performance and characteristics of the Newborn Hearing Screening Programme in England: The first seven years.

Objective: To assess the performance of the universal newborn hearing screen in England.

Design: Retrospective analysis of population screening records.

Study Sample: A total of 4 645 823 children born 1 April 2004 to 31 March 2013.

Effectiveness of targeted surveillance to identify moderate to profound permanent childhood hearing impairment in babies with risk factors who pass newborn screening.

Objective: To examine the effectiveness of targeted surveillance for the identification of moderate-profound PCHI in babies who pass the newborn hearing screen in England and have risk factors.

Design: Retrospective analysis.

Study Sample: 2,307,880 children born 01/04/06-30/09/09 in England.