Extensive variability in platelet, bleeding, and QOL outcome measures in adult and pediatric ITP: Communication from the ISTH SSC subcommittee on platelet immunology

INTRODUCTION: Despite publication of standardization recommendations by the immune thrombocytopenia (ITP) International Working Group (IWG) in 2009, there remains inconsistent outcomes definitions across ITP studies. To understand current practices and inform future standardization efforts, we characterized how outcomes have been measured following publication of IWG recommendations. METHODS: PubMed/MEDLINE-indexed manuscripts published from …