Table 1 Comorbid diagnoses used in GP records among adult patients diagnosed with COPD, both COPD and asthma, and asthma during 2009–2011 by their GP by diagnosis, education level and age group

From: GP utilisation by education level among adults with COPD or asthma: a cross-sectional register-based study

 

COPD (no asthma)

COPD and asthma

Asthma (no COPD)

 

Educational level

P-value

Educational level

P-value

Educational level

P-value

  
 

Basic

Interm.

High

 

Basic

Interm.

High

 

Basic

Interm.

High

 

Patients aged 40–59 years

N

3,697

4,567

875

 

1,925

2,196

483

 

11,464

24,065

12,881

 

Proportion with comorbid conditions (%)

Cardiovascular disease

11.0

9.3

6.5

<0.001

10.4

7.5

6.8

0.001

4.9

3.8

2.6

<0.001

Hypertension

19.7

21.2

18.5

0.099

20.1

19.9

17.6

0.47

19.1

18.7

14.3

<0.001

Diabetes

9.7

8.0

6.4

0.002

11.3

8.7

7.9

0.007

8.9

6.2

3.7

<0.001

Depression

22.5

19.1

18.4

<0.001

28.0

22.1

20.1

<0.001

20.3

15.0

13.3

<0.001

Anxiety

14.4

8.5

6.6

<0.001

18.7

10.5

6.8

<0.001

12.1

5.5

3.7

<0.001

Patients aged 60 years

N

18,391

19,341

2,531

 

5,566

5,763

812

 

13,816

20,830

5,624

 

Proportion with comorbid conditions (%)

Cardiovascular disease

23.0

21.0

10.0

<0.001

22.6

19.4

17.6

<0.001

17.9

14.4

11.1

<0.001

Hypertension

35.6

34.6

31.9

0.001

37.6

38.1

35.5

0.35

45.1

40.9

35.0

<0.001

Diabetes

13.3

11.4

10.4

<0.001

13.9

12.2

10.8

0.005

15.7

11.5

8.0

<0.001

Depression

11.0

10.2

11.3

0.02

13.2

12.1

12.9

0.20

9.9

8.7

9.4

0.001

Anxiety

6.4

4.4

2.9

<0.001

8.6

6.2

4.3

<0.001

5.8

3.6

2.9

<0.001

  1. Abbreviations: COPD, chronic obstructive pulmonary disease; GP, general practitioner; Interm., intermediate.