Table 2 Univariate analysis of air pollution factors for the prediction of chronic obstructive pulmonary disease (COPD) acute exacerbations.

From: Factors associated with chronic obstructive pulmonary disease exacerbation, based on big data analysis

 

OR (95% CI)

P-value

PM10 a day before AE

1.0017 (1.0000–1.0034)

0.0260

Cumulative PM10 of 3 days before AE

1.0006 (0.9999–1.0013)

0.0522

Cumulative PM10 of 5 days before AE

1.0003 (0.9998–1.0008)

0.1211

Cumulative PM10 of 7 days before AE

1.0002 (0.9998–1.0006)

0.1622

  1. OR, odds ratio; PM, particulate matter; AE, acute exacerbation.
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