Table 1.

Characteristics of study patients

Parameter	Patients
	1	2	3	4	5	6	7	8
Age [years]	17	8	8	17	17	16	17	17
Gender	Male	Male	Female	Female	Male	Female	Female	Male
Asthma duration [years]	6	3	2	8	7	10	5	2
FEV1 [% pred.]	84.8	88	82.4	73.6	95.2	76	72	100.8
FeNO [ppb]	8.9	30.8	31.6	108	15.6	251	71.2	23.7
Allergy profile	Seasonal/perennial	Seasonal	Seasonal	Seasonal/perennial	Seasonal	Seasonal/perennial	Seasonal/perennial	Seasonal/perennial
Cat allergy	Yes	No	No	Yes	No	No	Yes	Yes
Current allergy exposure	Yes	No	No	Yes	No	Yes	Yes	Yes
Asthma exacerbation *	2	2	2	1	1	5	3	3

^*Number of asthma exacerbations requiring hospitalization during last 12 months.