Ann Occup Environ Med.
2018 ;30(1):41. 10.1186/s40557-018-0252-x.
Spatial analysis between particulate matter and emergency room visits for conjunctivitis and keratitis
- Affiliations
-
- 1Division of Occupational and Environmental Medicine, Keimyung University Dongsan Medical Center, Daegu, South Korea. ichungs@dsmc.or.kr.
- 2Department of Urban Planning, Keimyung University School of Engineering, Daegu, South Korea.
- 3Department of Preventive Medicine, Keimyung University School of Medicine, Daegu, South Korea.
- 4Division of Cardiology, Keimyung University School of Medicine, Daegu, South Korea.
- KMID: 2428607
- DOI: http://doi.org/10.1186/s40557-018-0252-x
Abstract
- BACKGROUND
The concentration of particulate matter in the air varies depending on the region because it is lightweight and generated from a variety of sources. To assess the relationship between particulate matter and eye disease, this study analyzes the concentration data obtained from spatial analysis of particulate matter and emergency visit data.
METHODS
The study included 769 residents of Daegu, Korea who had visited an emergency room for the problem of conjunctivitis or keratitis. Concentrations of PM10 and other air pollutants were obtained from the Korean Ministry of the Environment. PM10 concentrations and the number of patients from each of 143 administrative dongs (sub-municipal level administrative units) of the city of Daegu were obtained using spatial analysis. The patient distribution and PM10 concentration were mapped for comparison, and their relationship was examined using scatter plot, regression analysis, and the independent sample t-test.
RESULTS
The number of patients with conjunctivitis and keratitis was significantly higher in the regions of the top 20% areas than the bottom 20% areas in terms of PM10 concentration. The distribution of PM10 concentration and number of patients was visually similar on the map. The concentration of PM10 and the number of patients showed a dose-response relationship. When the concentrations of other air polluta9nts were controlled for, the numbers of conjunctivitis and keratitis patients were 0.04 per 1000 ER patients and 0.10 per 1000 ER patients, respectively.
CONCLUSION
As PM10 is associated with the prevalence of conjunctivitis and keratitis, measures to reduce particulate matter through environmental methods are needed. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1186/s40557-018-0252-x) contains supplementary material, which is available to authorized users.
- Full Text Links
-
- Actions
-
Cited
- CITED
-
- Close
- Share
-
- Similar articles
-
- Effect of Air Pollution on Emergency Room Visits for Asthma: a Time Series Analysis
- Ambient Particulate Matter and Emergency Department Visit for Chronic Obstructive Pulmonary Disease
- Defining the Relationship between Daily Exposure to Particulate Matter and Hospital Visits by Psoriasis Patients
- Association of Particulate Matter With ENT Diseases
- Fine Particulate Matter and Urology: Emphasis on the Lower Urinary Tract
