Fig. 2From: Racial differences in comorbidity profile among patients with chronic obstructive pulmonary diseasePrevalence of comorbidities among participants with COPD aged 40–79 by race and ethnicity, U.S. NHANES 2007–2012 and Korea NHANES 2007–2015. COPD chronic obstructive pulmonary disease, NHANES National Health and Nutrition Examination SurveyBack to article page