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Table 2 Multivariate analysis on the daily risk of emergency room visits for acute exacerbation of COPD

From: Association between acute exacerbation of chronic obstructive pulmonary disease and short-term exposure to ambient air pollutants in France

 

Relative risk (RR)

95%CI

p-value

PM2.5

1.06

1.00–1.11

0.049

NO2

1.02

1.00–1.05

0.073

O3

1.01

1.00–1.03

0.114

PM10

0.96

0.91–1.01

0.119

Hygrometry

1.00

0.98–1.02

0.739

Temperature

1.01

0.97–1.04

0.774

Influenza circulation

1.52

0.98–2.36

0.061

Pollen allergy risk

1.41

0.92–2.17

0.116

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Environmental Health

ISSN: 1476-069X