Figure 2From: Interactions between HIV infection and chronic obstructive pulmonary disease: Clinical and epidemiological aspectsPredictors of COPD (OR with 95%CI) for risk factors independently associated with airflow obstruction, diffusion impairment, both, and symptoms in a cohort of 167 HIV-infected subjects [34]. Age/10 y: age in ten-year periods. Smoking/10 pack-years: smoking per ten pack-years.Back to article page