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 |