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Meta-Analysis
. 2014 Nov 14;11(11):11822-32.
doi: 10.3390/ijerph111111822.

The global contribution of outdoor air pollution to the incidence, prevalence, mortality and hospital admission for chronic obstructive pulmonary disease: a systematic review and meta-analysis

Qingkun Song  1 , David C Christiani  2 , XiaorongWang  3 , Jun Ren  4
Affiliations
Meta-Analysis

The global contribution of outdoor air pollution to the incidence, prevalence, mortality and hospital admission for chronic obstructive pulmonary disease: a systematic review and meta-analysis

Qingkun Song et al. Int J Environ Res Public Health. .

Abstract

Objective: This study aimed to investigate the quantitative effects of outdoor air pollution, represented by 10 µg/m(3) increment of PM10, on chronic obstructive pulmonary disease in China, United States and European Union through systematic review and meta-analysis.

Methods: Publications in English and Chinese from PubMed and EMBASE were selected. The Cochrane Review Handbook of Generic Inverse Variance was used to synthesize the pooled effects on incidence, prevalence, mortality and hospital admission.

Results: Outdoor air pollution contributed to higher incidence and prevalence of COPD. Short-term exposure was associated with COPD mortality increased by 6%, 1% and 1% in the European Union, the United States and China, respectively (p < 0.05). Chronic PM exposure produced a 10% increase in mortality. In a short-term exposure to 10 µg/m(3) PM10 increment COPD mortality was elevated by 1% in China (p < 0.05) and hospital admission enrollment was increased by 1% in China, 2% in United States and 1% in European Union (p < 0.05).

Conclusions: Outdoor air pollution contributes to the increasing burdens of COPD.10 µg/m(3) increase of PM10 produced significant condition of COPD death and exacerbation in China, United States and European Union. Controlling air pollution will have substantial benefit to COPD morbidity and mortality.

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Figures

Figure 1
Figure 1
The effect of outdoor air pollution on COPD prevalence.
Figure 2
Figure 2
The effect of outdoor air pollution on COPD mortality.
Figure 3
Figure 3
The effect of outdoor air pollution on COPD hospital admission.
See this image and copyright information in PMC

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