Skip to main content

Table 3 Comparison of symptoms between cases and controls.

From: Clinically diagnosed childhood asthma and follow-up of symptoms in a Swedish case control study

 

Case (n = 158)

Control (n = 171)

 
 

n

%

n

%

p-value

A. Wheezing or whistling in the chest at any time in the past

   Yes

116

73.4

40

23.4

<0.0001

   No

42

26.6

131

76.6

 

B. Wheezing or whistling in the chest in the last 12 months

   Yes

42

26.6

10

5.8

<0.0001

   No

116

73.4

161

94.1

 

C. How many attacks of wheezing in the last 12 months

   None

113

71.5

161

94.1

<0.0001

   1–3

25

15.8

5

2.9

 

   4–12

18

11.3

5

2.9

 

   More than 12

2

1.3

0

0.0

 

D. Disturbed sleep due to wheezing in the last 12 months

Never woken with wheezing

137

86.7

163

95.3

0.08

Less than one night per week

20

12.6

6

3.5

 

One or more nights per week

1

0.6

2

1.1

 

E. Limiting speech to only one or two words at a time between breaths last 12 months

   Yes

5

3.1

3

1.7

0.40

   No

153

96.8

168

98.2

 

F. Has the child's chest sounded wheezy after or during exercise last 12 months

   Yes

42

26.6

9

5.2

<0.0001

   No

116

73.4

162

94.7

 

G. Dry cough at night (not associated with a cold or chest infection) last 12 months

   Yes

52

32.9

19

11.1

<0.0001

   No

106

67.1

152

88.9

 

H. Blocked in chest or mucous cough ≥ 4 days/week during in total ≥ 3 months per year

   Yes

11

6.9

2

1.1

0.007

   No

147

93.0

169

98.9

 

I. Problem with sneezing or a runny or blocked nose without a cold or the flu

   Yes

70

44.3

37

21.6

< 0.0001

   No

88

55.7

134

78.4

 

J. Itchy rash coming and going for at least 6 months

   Yes

49

31.0

35

20.5

0.03

   No

109

68.9

136

79.5