Table 1.

 Characteristics of the study population

	HDM‐allergic (n=53)
Mean age in years (SD)	8.2 (3.5)
Males/females (%)	35/18 (66/34)
Oxygen saturation on presentation % (SD)	93.8 (3.5)
Asthma severity scores, mean (SD)	9.4 (2.4)
Preceding symptoms of URTI, n (%)	40 (76)
Virus isolated, n (%)	27 (69) *
Infrequent episodic asthma %	55.8 †
Frequent asthma (%)	19.2 †
Persistent asthma (%)	25 †

^* n=39.

^† n=52.

HDM, house dust mite; SD, standard deviation; URTI, upper respiratory tract infection.