Related Experiment Video
Updated: Apr 30, 2026
06:34
A Component-resolved Diagnostic Approach for a Study on Grass Pollen Allergens in Chinese Southerners with Allergic Rhinitis and/or Asthma
Published on: June 4, 2017
9.1K
Validating childhood asthma in an epidemiological study using linked electronic patient records
Rosaleen P Cornish1, John Henderson, Andrew W Boyd
1School of Social and Community Medicine, University of Bristol, Bristol, UK.
BMJ Open
|April 25, 2014
Summary
Parental reports of a doctor diagnosing asthma are highly accurate, aligning well with general practitioner records. Detailed wheezing questions improve specificity but may miss mild asthma cases.
Area of Science:
- Pediatric respiratory health
- Epidemiological research methods
Background:
- Parent-reported data is often used in epidemiological studies.
- Validating parent-reported data against objective medical records is crucial for accuracy.
Purpose of the Study:
- To assess the performance of parent-reported data in identifying physician-confirmed childhood asthma.
- To compare parent-reported asthma diagnoses with general practitioner (GP) records.
Main Methods:
- A validation study linked the Avon Longitudinal Study of Parents and Children (ALSPAC) with the General Practice Research Database (GPRD).
- Analyzed data from 141 participants with complete parent-reported asthma information.
- Compared parent-reported doctor diagnosis and wheezing history with GP-recorded asthma diagnoses before age nine.
Main Results:
- Parental report of a doctor's asthma diagnosis showed high sensitivity (88.5%) and specificity (95.7%) compared to GP records.
- Questions about wheezing had high sensitivity (100%) but low specificity (60%).
- More specific wheezing criteria improved specificity but reduced sensitivity, potentially missing mild cases.
Conclusions:
- Parental reports of a doctor's asthma diagnosis are a reliable indicator, correlating well with GP-recorded diagnoses.
- Detailed wheezing symptom reporting can enhance asthma diagnosis specificity in research.
- Linking observational studies with electronic patient records improves epidemiological research capabilities.
Related Concept Videos
01:29Asthma-I: Introduction
3.6K
Asthma is a chronic respiratory ailment that requires careful management due to its varying symptoms and influencing factors. It is characterized by airway inflammation, bronchial hyperresponsiveness, and reversible airflow obstruction, leading to symptoms like wheezing, shortness of breath, chest tightness, and coughing. The symptom frequency and intensity may vary considerably over time. It is also linked to immune system responses to allergens and irritants, highlighting the complex...
3.6K
01:28Asthma I: Introduction
112
Asthma is a chronic inflammatory disorder of the airways characterized by variable airflow obstruction and heightened bronchial responsiveness to a wide range of triggers. The underlying inflammation leads to airway swelling, mucus hypersecretion, and smooth muscle constriction, all of which narrow the airway lumen and impede airflow. Clinically, asthma presents with recurrent episodes of wheezing, shortness of breath, chest tightness, and coughing, symptoms that typically vary in intensity and...
112
01:13Asthma III: Clinical Manifestations
49
Asthma presents with a characteristic pattern of episodic respiratory symptoms that reflect underlying airway inflammation, bronchoconstriction, and mucus hypersecretion. Although severity varies among individuals, certain clinical manifestations are considered hallmarks of the disorder and often guide diagnosis and assessment.Respiratory SymptomsA persistent cough is one of the most common early features of asthma. It is frequently dry and tends to worsen at night or in the early morning,...
49
01:26Asthma-II: Pathophysiology and Classification
4.7K
Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
4.7K
01:24Asthma-III: Symptoms and Complications
3.5K
Asthma, a common chronic respiratory condition, is classified considering the frequency and severity of symptoms alongside lung function impairment. Understanding this classification is essential for appropriate treatment and management. Here's a detailed look at the classification of asthma and its clinical features and complications:
Classification of Asthma
Classification of Asthma
3.5K
01:30Asthma-IV: Diagnostic and Management
3.3K
The diagnosis and management of asthma are comprehensive, encompassing clinical assessments, lung function tests, and pharmacological interventions. Here's an overview:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
Clinical Assessment for Asthma:
This is the first step in diagnosing and managing asthma. It includes:
3.3K