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Table 5 Comparison of respiratory symptoms and -heredity of subjects with good* and poor** agreement

From: Agreement between self-reported and registered age at asthma diagnosis in Finland

 

Helsinki

Western Finland

Good agreement*:

n = 122

Poor agreement**:

n = 75

 

Good agreement*:

n = 112

Poor agreement**:

n = 32

 

N

%

N

%

P

N

%

N

%

P

Physician-diagnosed allergy:

Allergic rhinitis

49

40.2

53

70.7

< 0.001

44

39.3

20

62.5

0.033

Allergic rhinitis due to pollen

38

31.1

44

58.7

< 0.001

37

33.0

17

53.1

0.062

Allergic rhinitis due to other factors

34

27.9

41

54.7

< 0.001

26

23.2

16

50.0

0.007

Allergic conjunctivitis

32

26.2

32

42.7

0.025

25

22.3

11

34.4

0.247

Allergic dermatitis

25

20.5

20

26.7

0.408

21

18.8

15

46.9

0.003

Heredity:

Family history of asthma

56

45.9

41

54.7

0.295

56

50.0

17

53.1

0.911

Family history of allergic rhinitis or conjunctivitis

49

40.2

42

56.0

0.044

47

42.0

12

37.5

0.803

Asthma symptoms:

Attacks of breathlessness now or during the last 12 months

90

73.8

62

82.7

0.204

92

82.1

22

68.8

0.162

Longstanding cough during the last 12 months

47

38.5

25

33.3

0.560

43

38.4

12

37.5

1.000

Sputum production

62

50.8

41

54.7

0.705

74

66.1

15

46.9

0.078

Periods of sputum production for at least 2 consecutive years

31

25.4

21

28.0

0.815

33

29.5

7

21.9

0.534

Recurrent wheeze

30

24.6

33

44.0

0.007

36

32.1

9

28.1

0.829

Wheeze last 12 months

61

50.0

52

69.3

0.012

69

61.6

15

46.9

0.198

Tightness in the chest last 12 months

54

44.3

39

52.0

0.363

50

44.6

12

37.5

0.605

Dyspnea mMRC ≥ 2

45

36.9

39

52.0

0.053

47

42.0

14

43.8

1.000

Hospitalization or visits to emergency department due to asthma exacerbation during last 12 months

9

7.4

8

10.7

0.591

10

8.9

≤ 3

≤ 9.4

1.000

  1. *Good agreement: self-reported age at asthma diagnosis within − 5 to 5 years from the registered age at asthma diagnosis
  2. **Poor agreement: self-reported age at asthma diagnosis further than − 5 or 5 years from the registered age at asthma diagnosis
  3. COPD, Chronic obstructive pulmonary disease; mMRC, Modified Medical research council dyspnea scale