The relationship between exercise induced bronchial obstruction and health related quality of life in female and male adolescents from a general population

Table 2 Characteristics of females with and without EIB and males with and without EIB. Data are presented as mean ± SD or n (%) unless otherwise indicated

	Female EIB N = 36	Female No EIB N = 48	p-value	Male EIB N = 13	Male No EIB N = 43	p-value
BMI	21.7 ± 3.0	20.5 ± 2.9	0.086	20.5 ± 1.7	21 ± 3.1	0.53
Overweight and obesity	6 (16.7)	4 (8.3)	0.31	0	5 (11.6)	0.58
Exercise-induced dyspnoea	33 (91.7)	26 (54.2)	<0.001	9 (69.2)	26 (60.5)	0.58
Ever asthma^a	17 (47.2)	7 (14.6)	0.001	5 (38.5)	11 (28.9)	0.37
Rhinitis	11 (30.6)	15 (31.3)	0.95	6 (46.2)	15 (34.9)	0.46
FVC% predicted^b	91.1 ± 10.6	94.0 ± 11.7	0.22	98.4 ± 10.5	96.2 ± 11.7	0.54
FEV₁ % predicted^b	88.8 ± 8.4	94.4 ± 10.6	0.012	94.5 ± 10.9	93.6 ± 10.5	0.74
IgE sensitisation	13 (36.1)	17 (35.4)	0.95	8 (61.5)	24 (55.8)	0.72
Inhaled corticoid steroids	11 (30.1)	5 (10.4)	0.020	3 (23.1)	6 (14.0)	0.42
Short acting beta-2-agonist	19 (52.8)	11 (22.9)	0.005	4 (30.8)	12 (27.9)	0.84
Disturbed sleep	8 (22.2)	0	0.001	1 (7.7)	1 (2.3)	0.41
HAD
Anxiety, median (IQR)	7 (4)	4 (6)	0.031	3 (4)	3 (4)	0.72
Depression, median (IQR)	2 (4)	2 (3)	0.74	1 (4)	1 (4)	0.25

EIB exercise-induced bronchoconstriction, BMI body mass index (kg/m²), HAD Hospital anxiety and depression scale
^aSelf-reported, having ever been diagnosed by a physician as having asthma
^bForced vital capacity (FVC) and FEV₁ presented as percentage of predicted recorded at baseline before EIB test

ISSN: 1471-2466