All COPD patients with a diagnosis of acute exacerbation in emergency room in University Hospital of Amiens-Picardie between 01/01/2017 and 31/12/2017. The investigator will collect for each patient the home address and the work address. The duration of 1 year was chosen to take into account seasonal variations. In parallel, a daily report of the rate of ozone, particles (PM2.5 and PM10), dioxide nitrogen but also odours and pollens will be done by ATMO Picardie.
Study Type
OBSERVATIONAL
Enrollment
179
CHU Amiens Picardie
Amiens, Picardie, France
exacerbation rate : variable to be explicated with explicative variable : ozone, particles, dioxide nitrogen, but also pollens corresponding to each patient home address for period of exacerbation
exacerbation rate : variable to be explicated with explicative variable : ozone, particles, dioxide nitrogen, but also pollens corresponding to each patient home address for period of exacerbation
Time frame: 1 day
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