Short-Term Effects of Fine Particulate Air Pollution on Hospital Admissions for Respiratory Diseases: A Case-Crossover Study in a Tropical City

摘要: This study was undertaken to determine whether there a correlation between fine particles (PM2.5) levels and hospital admissions for respiratory diseases in Kaohsiung, Taiwan. Hospital including pneumonia, asthma, chronic obstructive pulmonary disease (COPD) ambient air pollution data Kaohsiung were obtained the period 2006-2010. The relative risk (RR) of estimated using case-crossover approach, controlling weather variables, day week, seasonality, time trends. For single-pollutant model (without adjustment other pollutants), increased number significantly associated with higher PM2.5 only on cool days (<25°C), an interquartile range rise 50 (95% CI% = 45-55%), 40% CI 25-58%), 46% 36-57%) elevation frequency COPD, respectively. In two-pollutant models, remained significant even sulfur dioxide, nitrogen carbon monoxide, or ozone days. provides evidence that increase