Tag: self-controlled case series

  • Control yourself: the self-controlled case series

    Control yourself: the self-controlled case series

    Does influenza increase the risk of acute myocardial infarction (AMI)? Do bivalent mRNA COVID-19 vaccines cause acute ischemic stroke? Relevant questions, but difficult to answer. Incidences of both outcomes are low, precluding an answer from randomised trials (in case of vaccination) and analyses from observational studies will be flawed by…