Relationship between Air Pollutant and Daily Hospital Visits for Respiratory Diseases in Guangzhou:a Time-Series Study
- VernacularTitle:大气污染与呼吸系统疾病日门诊量的时间序列分析
- Author:
Ning LI
;
Xiaowu PENG
;
Benyan ZHANG
- Publication Type:Journal Article
- Keywords:
Air pollution;
Time series analysis;
Respiratory system;
Daily outpatient visits;
Atmospheric haze
- From:
Journal of Environment and Health
2007;0(12):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To know the relationship between air pollutants and daily hospital visits for respiratory diseases in Guangzhou. Methods The data of daily hospital visits for respiratory diseases in a hospital in Guangzhou during 2006 to 2008, along with the daily meteorological factors, air pollutants concentration (NO2, PM10,PM2.5 and SO2) were collected. The time series analysis auto-regression model was used, considering the potential confounding factors such as seasonal and meteorological factors. Results Daily hospital visits for respiratory diseases presented a significant week effect, the time of higher daily hospital visits for respiratory diseases was the same of higher concentration of pollutants. When SO2 and NO2 increased by 10 ?g/m3, the daily hospital visits increased by 3%(P
