ArticleThe journal of allergy and clinical immunology. Global2023
Effect of the COVID-19 pandemic on asthma exacerbations in New Zealand: An interrupted time series analysis.
Article in The journal of allergy and clinical immunology. Global, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Seasonal variation of pediatric asthma exacerbations and its association with asthma phenotypes.Pediatric research · 2025Article
- COVID-19 Pandemic and Decrease in New-Onset Asthma Incidence: National Data From Korea.Allergy · 2025Article
- Change in Exacerbation Rate of Asthma Patients before and after COVID-19 Infection.Tuberculosis and respiratory diseases · 2025Article
- Unmasking the true value of cystic fibrosis transmembrane conductance regulator modulators.ERJ open research · 2025Article
- The Indirect Impact of COVID-19 Pandemic on Mortality, Complications, and Healthcare Utilization Among Patients With Chronic Respiratory Diseases in Hong Kong: An Interrupted Time Series Analysis.Journal of evidence-based medicine · 2025Article
- COVID-19 severity and risk of SARS-CoV-2-associated asthma exacerbation by time since booster vaccination: a longitudinal analysis of data from the COVIDENCE UK study.BMJ open respiratory research · 2025Observational
- Associations of aeroallergen testing with reduced oral corticosteroid bursts among adults with asthma.The journal of allergy and clinical immunology. Global · 2025Article
- A 21-Practice Evaluation of an Asthma and COPD Quality Improvement Program.Journal of asthma and allergy · 2025Article
- Real-world use of inhaled corticosteroid/formoterol as needed in adults with mild asthma: the PRIME study.ERJ open research · 2024Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: New Zealand (NZ) implemented some of the strictest restrictions during the novel coronavirus pandemic (coronavirus disease 2019 [COVID-19]), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). How this impacted asthma exacerbation rates in NZ is unknown. Objective: We sought to explore the effects of the COVID-19 restrictions on asthma exacerbations in NZ during 2020. Methods: We used a population-based, interrupted time series to examine the impact of the first COVID-19 lockdown in NZ on asthma exacerbation rate. The primary outcome measure was change in the monthly exacerbation rate, defined as hospitalization and/or course of corticosteroids, before and after the first lockdown. In a secondary analysis, we quantified the number of patients with asthma, the actual asthma exacerbation rate from March to December 2019 versus March to December 2020, and the number of asthma hospitalizations. Results: There was a significant drop in the exacerbation rate immediately after lockdown (-3.02; Conclusions: The first COVID-19 lockdown in 2020 in NZ significantly reduced asthma exacerbation rates across all sociodemographic groups. Whether these reductions are sustained requires further investigation.
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