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. 2015 May 22;36(3):128–134. doi: 10.4082/kjfm.2015.36.3.128

Table 4. Multivariate analysis of the risk factors for chronic obstructive pulmonary disease.

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*Calculated using multiple logistic regression analysis. Data from the 5th Korea National Health and Nutritional Examination Survey. History of tuberculosis is defined using chest radiography.