Asthma (only as main-diagnosis)

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.

Endpoint definition

Long name Asthma (only as main-diagnosis)
Hospital Discharge registry ICD-10: J45/J46, ICD-9: 493, ICD-8: 493
Hospital Discharge registry: only main entry used true
Cause of Death registry ICD-10: J45/J46, ICD-9: 493, ICD-8: 493
Cause of Death registry: only main entry used true
First defined in version DF2

Summary Statistics

Key figures

All Female Male
Number of individuals 17438 10786 6652
Unadjusted prevalence (%) 8.04 8.78 7.07
Mean age at first event (years) 42.09 41.84 42.49
Case fatality at 5-years (%) 1.81 1.22 2.75

Longitudinal metrics

All Female Male
Median nb. of events per indiv. 3.0 3.0 2.0
Recurrence at 6 months (%) 58.44 60.18 55.61

Survival analyses between endpoints


before Asthma (only as main-diagnosis)
after Asthma (only as main-diagnosis)

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Drugs most likely to be purchased after Asthma (only as main-diagnosis)