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Table 1 Study outcomes with datasets used, demographic and time-trend information availability therein, by UK nation

From: The epidemiology, healthcare and societal burden and costs of asthma in the UK and its member nations: analyses of standalone and linked national databases

  1. Blank cells indicate unavailability of data source for the needs and scope of our study
  2. aDue to nature of data collection, data could not be standardised for all ages
  3. Symbols represent: age, sex, socioeconomic status, time trend
  4. SAIL, Secure Anonymised Information Linkage