Characterization of Asthma by Age of Onset: A Multi-Database Cohort Study. Baan, E. J., de Roos, E. W., Engelkes, M., de Ridder, M., Pedersen, L., Berencsi, K., Prieto-Alhambra, D., Lapi, F., Van Dyke, M. K., Rijnbeek, P., Brusselle, G. G., & Verhamme, K. M. C. J Allergy Clin Immunol Pract, 10(7):1825-1834.e8, 2022. 2213-2201 Baan, Esmé J de Roos, Emmely W Engelkes, Marjolein de Ridder, Maria Pedersen, Lars Berencsi, Klara Prieto-Alhambra, Dani Lapi, Francesco Van Dyke, Melissa K Rijnbeek, Peter Brusselle, Guy G Verhamme, Katia M C Journal Article Meta-Analysis Research Support, Non-U.S. Gov't United States 2022/04/11 J Allergy Clin Immunol Pract. 2022 Jul;10(7):1825-1834.e8. doi: 10.1016/j.jaip.2022.03.019. Epub 2022 Apr 8.
abstract   bibtex   
BACKGROUND: Asthma can occur at any age but the differences in patient characteristics between childhood-, adult-, and late-onset asthma are not well understood. OBJECTIVE: To investigate differences in patients' characteristics by age at asthma onset. METHODS: From 5 European electronic databases, we created a cohort encompassing adult patients with doctor-diagnosed asthma in 2008 to 2013. Patients were categorized based on their age at asthma onset: childhood-onset (age at onset < 18 y), adult-onset (age at onset 18-40 y), and late-onset asthma (age at onset ≥ 40 y). Comorbidities were assessed at study entry. For each characteristic and comorbidity, odds ratios and age- and sex-adjusted odds ratios (OR(adj)) comparing asthma-onset categories were estimated per database and combined in a meta-analysis using a random effect model. RESULTS: In total, 586,436 adult asthma patients were included, 81,691 had childhood-onset, 218,184 adult-onset, and 286,561 late-onset asthma. Overall, 7.3% had severe asthma. Subjects with adult-onset compared with childhood-asthma had higher risks for overweight/obesity (OR(adj) 1.4; 95% CI 1.1-1.8) and lower risks for atopic disorders (OR(adj) 0.8; 95% CI 0.7-0.95). Patients with late-onset compared with adult-onset asthma had higher risks for nasal polyposis (OR(adj) 1.8; 95% CI 1.2-2.6), overweight/obesity (OR(adj) 1.3; 95% CI 1.2-1.4), gastroesophageal reflux disease (OR(adj) 1.4; 95% CI 1.2-1.7), and diabetes (OR(adj) 2.3; 95% CI 1.8-2.9). A significant association between late-onset asthma and uncontrolled asthma was observed (OR(adj) 2.8; 95% CI 1.7-4.5). CONCLUSIONS: This international study demonstrates clear differences in comorbidities between childhood-, adult-, and late-onset asthma phenotypes in adults. Furthermore, patients with late-onset asthma had more frequent uncontrolled asthma.
@article{RN264,
   author = {Baan, E. J. and de Roos, E. W. and Engelkes, M. and de Ridder, M. and Pedersen, L. and Berencsi, K. and Prieto-Alhambra, D. and Lapi, F. and Van Dyke, M. K. and Rijnbeek, P. and Brusselle, G. G. and Verhamme, K. M. C.},
   title = {Characterization of Asthma by Age of Onset: A Multi-Database Cohort Study},
   journal = {J Allergy Clin Immunol Pract},
   volume = {10},
   number = {7},
   pages = {1825-1834.e8},
   note = {2213-2201 Baan, Esmé J de Roos, Emmely W Engelkes, Marjolein de Ridder, Maria Pedersen, Lars Berencsi, Klara Prieto-Alhambra, Dani Lapi, Francesco Van Dyke, Melissa K Rijnbeek, Peter Brusselle, Guy G Verhamme, Katia M C Journal Article Meta-Analysis Research Support, Non-U.S. Gov't United States 2022/04/11 J Allergy Clin Immunol Pract. 2022 Jul;10(7):1825-1834.e8. doi: 10.1016/j.jaip.2022.03.019. Epub 2022 Apr 8.},
   abstract = {BACKGROUND: Asthma can occur at any age but the differences in patient characteristics between childhood-, adult-, and late-onset asthma are not well understood. OBJECTIVE: To investigate differences in patients' characteristics by age at asthma onset. METHODS: From 5 European electronic databases, we created a cohort encompassing adult patients with doctor-diagnosed asthma in 2008 to 2013. Patients were categorized based on their age at asthma onset: childhood-onset (age at onset < 18 y), adult-onset (age at onset 18-40 y), and late-onset asthma (age at onset ≥ 40 y). Comorbidities were assessed at study entry. For each characteristic and comorbidity, odds ratios and age- and sex-adjusted odds ratios (OR(adj)) comparing asthma-onset categories were estimated per database and combined in a meta-analysis using a random effect model. RESULTS: In total, 586,436 adult asthma patients were included, 81,691 had childhood-onset, 218,184 adult-onset, and 286,561 late-onset asthma. Overall, 7.3% had severe asthma. Subjects with adult-onset compared with childhood-asthma had higher risks for overweight/obesity (OR(adj) 1.4; 95% CI 1.1-1.8) and lower risks for atopic disorders (OR(adj) 0.8; 95% CI 0.7-0.95). Patients with late-onset compared with adult-onset asthma had higher risks for nasal polyposis (OR(adj) 1.8; 95% CI 1.2-2.6), overweight/obesity (OR(adj) 1.3; 95% CI 1.2-1.4), gastroesophageal reflux disease (OR(adj) 1.4; 95% CI 1.2-1.7), and diabetes (OR(adj) 2.3; 95% CI 1.8-2.9). A significant association between late-onset asthma and uncontrolled asthma was observed (OR(adj) 2.8; 95% CI 1.7-4.5). CONCLUSIONS: This international study demonstrates clear differences in comorbidities between childhood-, adult-, and late-onset asthma phenotypes in adults. Furthermore, patients with late-onset asthma had more frequent uncontrolled asthma.},
   keywords = {Age of Onset
*Asthma/epidemiology
Child
Cohort Studies
Humans
Obesity
*Overweight
Adults
Age at onset
Asthma
Comorbidity
Epidemiology
Exacerbations
General population ,
DOI = 10.1016/j.jaip.2022.03.019},
   year = {2022},
   type = {Journal Article}
}

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