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Severe and non-severe asthma in the community: A large electronic database analysis
Shabtai Varsano1, David Segev2, David Shitrit3
1Department of Pulmonary Medicine, Meir Medical Center, Kfar Saba, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Asthma Care & Education Unit, Meir Medical Center, Kfar Saba, Israel.
Respiratory Medicine
|February 1, 2017
Summary
Severe asthma affects nearly 5% of asthmatics, with one-third uncontrolled. Controlling severe asthma significantly reduces healthcare use, highlighting the need for targeted interventions for uncontrolled cases.
Area of Science:
- Pulmonary Medicine
- Epidemiology
- Health Services Research
Background:
- A large-scale electronic database analysis was performed on 351,799 individuals aged 20-70.
- The study aimed to determine the prevalence and clinical characteristics of severe asthma.
- Healthcare utilization patterns were assessed based on 2014 international guidelines.
Purpose of the Study:
- To identify the prevalence of severe asthma within a large community cohort.
- To characterize clinical features and healthcare utilization of severe asthma patients.
- To differentiate between controlled and uncontrolled severe asthma based on medication data.
Main Methods:
- Severe asthmatics were categorized into controlled and uncontrolled groups.
- Subgroups of uncontrolled severe asthma were defined by dispensed medications.
- A non-asthmatic population served as a control group for comparison.
Main Results:
- 5.68% of the population had asthma, with 4.65% classified as severe asthma.
- One-third of severe asthmatics were uncontrolled.
- Uncontrolled severe asthmatics experienced significantly higher hospitalization rates (RR=2.9) compared to controlled severe asthmatics.
Conclusions:
- The prevalence of severe asthma is approximately 5% of all asthma cases.
- Effective control of severe asthma is critical for reducing healthcare utilization.
- Electronic database analysis of dispensed medications can identify uncontrolled severe asthmatics needing focused management strategies.
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