Validating childhood asthma in an epidemiological study using linked electronic patient records.

ABSTRACT:

Objective

To investigate the performance of parent-reported data in identifying physician-confirmed asthma.

Design and setting

Validation study using linkage between the Avon Longitudinal Study of Parents and Children (ALSPAC) and electronic patient records held within the General Practice Research Database (GPRD).

Participants

Participants were those eligible to participate in ALSPAC who also had a record in the GPRD; this included 765 individuals, just under 4% of ALSPAC-eligible participants. The analysis was based on 141 participants with complete parent-reported asthma data.

Primary and secondary outcome measures

The main GPRD outcome measure was whether a child had a diagnosis of asthma before they were nine. Parent-reported measures were doctor diagnosis

SUBMITTER: Cornish RP 

PROVIDER: S-EPMC4010849 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature