Patient populationTo explore the correction for collider bias utilising external data, data from Covid-19 positive patients admitted to Guy’s and St. Thomas’ NHS Foundation...
DataThe analyses relied on data from heterogeneous sources. We used data from the National Institute of Statistics (ISTAT) Multipurpose Surveys “Aspect of Daily Life"...
Summary of results0.5% of death records included an asthma-related cause. When the primary cause of death was asthma-related, ICD-10 code J45 (asthma) rather than...
