Respiratory Disease
Conditions
Keywords
Respiratory Diseases, children, air pollution
Brief summary
The investigators expect to reveal the association between air pollution and childhood respiratory diseases through a multi-center observational study, and summarize the relationship between air pollution and childhood respiratory diseases.
Detailed description
The investigators will collect the data of outpatient and emergency children in Beijing Children's hospital and other participating hospitals due to respiratory diseases from 2010 to 2021, , collect clinical data and basic information, obtain air pollution data and meteorological monitoring data and perform data processing and statistical analysis,,then analyzes the impact of air pollution on children's respiratory diseases.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* All children participating in this clinical study must meet all of the following criteria: 1. Age: 0-18 years old, male and female 2. Consultation for respiratory diseases 3. Visit time is between 2010-2021 4. Provide complete personally identifiable information and medical information
Exclusion criteria
* All children with any of the following conditions must be excluded from this study: 1. children who visit hospital don't for respiratory diseases 2. children participating in this clinical study don't provide complete personally identifiable information and medical information 3. Visit time is not between 2010-2021.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Major air pollutant concentrations | 12 years | The air pollutant data comes from the daily air quality data published by the National Environmental Monitoring Center. Calculate the arithmetic average of the daily average concentrations of air pollutants (PM10, PM2.5, SO, NO, CO, etc.) Converted from air pollution index (API). |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Number of daily visits for respiratory diseases in outpatient and emergency departments | 12 years | The number of daily outpatient visits for respiratory diseases( rhinitis, allergic rhinitis, upper respiratory tract infection, bronchitis and bronchiolitis, bronchiolitis obliterans, pneumonia, asthma , allergic cough, chronic cough, upper airway cough syndrome,etc.) in each hospital participating in this study during the study period. |
Countries
China