Table 3 Summary of the patient characteristics of three phenotypes obtained after the cluster analysis of the validation cohort.

From: Data-driven questionnaire-based cluster analysis of asthma in Swedish adults

Validation cohort

Patient’s characteristics

Early onset predominantly female

(N = 234)

Adult onset predominantly female

(N = 298)

Adult onset predominantly male

(N = 216)

p values

Sex; % female

71.4

69.1

35.2

<0.001

Age in years; mean (±SD)

54.4 (14.6)

57.6 (13.9)

61.8 (13.7)

<0.001

BMI; mean (±SD)

27.1 (5.0)

27.8 (5.1)

27.2 (4.6)

0.239

Age of onset, %

≤15 years

45.4

31.2

22.1

<0.001

16–45 years

41.4

43.4

34.7

≥46 years

13.2

25.3

43.2

Allergy against pollen or pets, %

87.6

0.7

8.4

<0.001

Rhinitis, %

93.6

78.2

19.4

<0.001

Diabetes, %

8.5

9.7

10.6

0.814

Cardiovascular disease, %

27.8

34.2

35.2

0.233

Depression and anxiety, %

17.9

12.1

7.4

0.005

Sleep apnea, %

7.3

7.4

6.0

0.814

Gastroesophageal reflux, %

25.0

18.5

12.0

0.004

Sinusitis, %

28.9

16.7

10.0

<0.001

Night awakening last week, %

Never

64.8

68.4

76.9

0.082

Once

12.6

13.1

10.4

 

More than one

22.6

18.6

12.7

 

Smoking, %

Never

68.4

48.6

50.5

<0.001

Ex

24.7

38.4

40.2

Current

6.9

13.0

9.3

Education level, %

Compulsory school

26.2

37.1

43.8

0.003

Secondary school

37.6

34.7

30.5

High education

36.2

28.2

25.7

Physical activity, %

Daily

7.4

5.1

8.1

0.814

Few times a week

66.5

66.8

61.9

Once a month

6.1

6.8

6.2

Less

20.0

21.2

23.8

  1. Age and BMI were tested by ANOVA, other variables were tested by the chi-square test. The p values were adjusted according to the Benjamini & Hochberg method and considered significant when <0.05.