Table 2 Prevalence of comorbidities (95% confidence intervals) among participants with COPD aged 40–79 by sex, U.S. NHANES 2007–2012

Cardiovascular disease

 Hypertension

45.9 (40.9 ,51.0)

45.8 (40.5 ,51.2)

0.9749

 Congestive heart failure

4.3 (3.1 ,5.9)

3.0 (2.0 ,4.5)

0.1213

 Coronary heart disease

7.4 (5.5 ,9.9)

3.4 (1.9 ,6.1)

0.0141

 Angina pectoris

4.0 (2.8 ,5.8)

2.6 (1.2 ,5.4)

0.2932

 Heart attack

6.5 (4.8 ,8.6)

3.9 (2.5 ,6.0)

0.0240

 Stroke

3.3 (2.2 ,4.8)

4.6 (3.1 ,6.7)

0.2516

 Dyslipidemia

77.1 (73.6 ,80.2)

74.0 (69.0 ,78.5)

0.2190

Diabetes

12.5 (10.2 ,15.4)

9.3 (7.2 ,12.0)

0.0661

Gout

7.7 (5.5 ,10.7)

3.5 (1.9 ,6.4)

0.0088

Asthma

16.2 (12.7 ,20.4)

25.6 (20.6 ,31.3)

0.0053

Arthritis

35.8 (31.9 ,39.9)

42.6 (37.3 ,48.1)

0.0330

Anemia

3.5 (2.4 ,5.0)

4.9 (3.3 ,7.2)

0.1603

Cancer or malignancy

17.9 (14.7 ,21.6)

20.9 (16.6 ,26.0)

0.3814

Sleep disorder

11.8 (9.3 ,15.0)

8.2 (6.1 ,10.8)

0.1034