Associations between comorbidities and annual incidence plus frequency of asthma exacerbation hospitalisation during the past year: data from CARN study

Table 2 Subjects with and without the previous-year H-AX

Items	H-AX group	Non-HAX group	t value	χ² value	P value
Gender
Male	41.6% (423/1017)	38.6% (1098/2841)		2.719	0.099
Female	58.4% (594/1017)	61.4% (1743/2841)
Age (years)	57.5 ± 14.9	48.6 ± 15.7	− 16.149		< 0.001*
Height (cm)	163.1 ± 7.7	164.1 ± 8.0	3.562		< 0.001*
Weight (kg)	63.3 ± 12.2	64.1 ± 12.5	1.715		0.086
BMI (kg/m²)	23.7 ± 3.8	23.7 ± 3.0	− 0.012		0.990
Comorbidities
Allergic rhinitis	32.0% (325/1017)	47.4% (1348/2841)		73.179	< 0.001*
Nasosinusitis	8.2% (83/1017)	9.0% (255/2841)		0.621	0.430
Rhinopolypus	2.8% (28/1017)	3.0% (86/2841)		0.196	0.658
Food allergy	6.2% (63/1017)	5.9% (167/2841)		0.134	0.715
COPD	15.4% (157/1017)	5.5% (157/2841)		133.375	< 0.001*
Bronchiectasis	4.6% (47/1017)	2.5% (71/2841)		11.377	0.001*
OSAHS	3.0% (31/1017)	2.9% (83/2841)		0.042	0.838
Hypertension	23.3% (237/1017)	13.9% (394/2841)		48.736	< 0.001*
CHD	11.4% (116/1017)	4.9% (138/2841)		52.220	< 0.001*
Obesity	1.7% (17/1017)	1.4% (41/2841)		0.264	0.607
Diabetes	8.2% (83/1017)	3.6% (103/2841)		33.577	< 0.001*
GERD	3.2% (33/1017)	3.9% (110/2841)		0.825	0.364
CVD	1.3% (13/1017)	1.5% (44/2841)		0.376	0.540
Depression	0.5% (5/1017)	0.6% (17/2841)		0.150	0.698
Anxiety	1.9% (19/1017)	1.5% (44/2841)		0.476	0.490
Osteoporosis	2.1% (21/1017)	1.5% (42/2841)		1.604	0.205
Others	11.7% (119/1017)	10.1% (288/2841)		1.941	0.164

Data are presented as mean ± standard deviation (SD) or percentage (%, n/N)
H-AX, Hospitalisation due to asthma exacerbation; BMI, body mass index; COPD, chronic obstructive pulmonary disease; OSAHS, obstructive sleep apnea–hypopnea syndrome; CHD, Coronary heart disease; GERD, gastroesophageal reflux disease, CVD, Cerebrovascular disease
*Data with statistical significance

ISSN: 1471-2466