Asthma, hospital admissions , main diagnosis only


asthma: A bronchial disease that is characterized by chronic inflammation and narrowing of the airways, which is caused by a combination of environmental and genetic factors resulting in recurring periods of wheezing (a whistling sound while breathing), chest tightness, shortness of breath, mucus production and coughing. The symptoms appear due to a variety of triggers such as allergens, irritants, respiratory infections, weather changes, exercise, stress, reflux disease, medications, foods and emotional anxiety.

Data source
Hospital Discharge registry ICD-10: J46/J45, ICD-9: 493, ICD-8: 493
Hospital Discharge registry: only main entry used true
First defined in version DF2
DOID 2841
GWAS catalog 0000270
MESH D001249
SNOMED CT 31387002

Key figures

Sex All Female Male
Number of individuals 11330 6987 4343
Unadjusted prevalence (%) 8.55 9.3 7.56
Mean age at first event (years) 44.99 44.75 45.38
Median number of events / individual 3 3 3

Clinical metrics

Sex All Female Male
Recurrence within 6 months (%) 59.71 60.96 57.7
Case fatality at 5-years (%) 2.74 1.99 3.94