Influenza clinical risk groups 2017 version - Asthma

Thomas, S (2020). Influenza clinical risk groups 2017 version - Asthma. [Dataset]. London School of Hygiene & Tropical Medicine, London, United Kingdom. 10.17037/DATA.00001897.

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Read v2 codes for diagnoses of asthma, or recording that a previous diagnosis of asthma had resolved (resolved=1). For this project, the definition was designed to follow national guidance on indications for influenza vaccination, namely: Asthma that requires continuous or repeated use of inhaled or systemic steroids or with previous exacerbations requiring hospital admission. Individuals were defined as having asthma if there was a code for asthma at any time before the index date AND the latest asthma code prior to the index date was not an ""asthma resolved"" code AND EITHER (a) A prescription in the 12 months before start of flu season for an oral steroid OR (b) A prescription in the 12 months before start of flu seasonfor an inhaled steroid OR (c) An asthma emergency admision ever in the past

Keywords

Influenza; Risk factors

Parent Collection(s)

note_stack Code lists for: "Social determinants of pertussis and influenza vaccine uptake in pregnancy: a national cohort study using electronic health records"

Item Type	Dataset
Resource Type	Resource Type Resource Description Dataset Quantitative
Capture method	Observation
Collection Period	From To January 2017 January 2017
Date	15 October 2020
Language(s) of written materials	English
Creator(s)	Thomas, S
Associated roles	Mcdonald, H (Other)
LSHTM Faculty/Department	Faculty of Epidemiology and Population Health > Dept of Infectious Disease Epidemiology (-2023)
Research Centre	Electronic Health Record Research Group
Participating Institutions	London School of Hygiene & Tropical Medicine, London, United Kingdom
Funders	Project Funder Grant Number Funder URI Social determinants of maternal vaccine uptake - influenza clinical risk groups for vaccination (respiratory, cardiac, liver, diabetes, and kidney diseases) National Institute for Health Research (NIHR) UNSPECIFIED http://dx.doi.org/10.13039/501100000272
Date Deposited	15 Oct 2020 15:53
Last Modified	04 Dec 2025 14:12
Publisher	London School of Hygiene & Tropical Medicine