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Characterising the young chronic obstructive pulmonary disease (COPD) patient in the United Kingdom: A descriptive study looking at clinical and aetiological factors utilising Clinical Practice Research Datalink (CPRD)

Safe People

Organisation name

Boehringer Ingelheim

Organisation sector

Commercial

Applicant name(s)

Ruth Farmer - Chief Investigator - Boehringer-Ingelheim PharmaceuticalsIncRichard Moore - Corresponding Applicant - Boehringer-Ingelheim International GmbH

Safe Projects

Project ID

CPRD694

Lay summary

This is a descriptive study utilising the Clinical Practice Research Datalink (CPRD) GOLD dataset of primary care patients within the UK. The aim of this study is to begin to address the question 'Are we failing to recognise chronic obstructive pulmonary disease (COPD) in young (<65) patients within the United Kingdom (UK)'. This study will look at healthcare utilisation in a 2 year period before diagnosis, symptom prevalence and association with mental health. The results from this study will be compared with what we know of the general COPD population available in the literature and hopefully present opportunities to improve diagnosis and hypotheses to be explored in future studies.

Technical summary

This is a descriptive study looking at the aetiological characteristics and healthcare resource utilisation for patients diagnosed with COPD before the age of 65. Patient will enter the study at their first coded diagnosis of COPD (confirmed by a FEV1/FVC ratio of <0.7) and data will be taken from the 2 year period prior to diagnosis on respiratory presentations to both primary and secondary care. Prevalence of key respiratory symptoms will be recorded and their association with impaired mental health (in terms of anxiety/depression) will be analysed using chi-square tests. Prevalence of pre-existing asthma and alpha-1 antitrypsin deficiency will also be recorded. Population statistics will be reported using mean, SD, median, IQR, categorical variables will be reported as frequencies and percentages. The discussion will aim to identify potential opportunities to improve diagnosis of COPD in younger patients and present hypotheses for further research.

Latest approval date

12/03/2021

Safe Data

Dataset(s) name

HES Admitted Patient Care

Safe Setting

Access type

Release