patient safety patient safety patient safety is a discipline that emphasizes safety in health care through the prevention, reduction, reporting and analysis of error and other types of unnecessary harm that often lead to adverse patient events. the frequency and magnitude of avoidable adverse events, often known as patient safety incidents, experienced by patients was not well known until the 1990s, when multiple countries reported significant numbers of patients harmed and killed by medical errors. recognizing that healthcare errors impact 1 in every 10 patients around the world, the world health organization (who) calls patient safety an endemic concern. indeed, patient safety has emerged as a distinct healthcare discipline supported by an immature yet developing scientific framework. there is a significant transdisciplinary body of theoretical and research literature that informs the science of patient safety with mobile health apps being a growing area of research. prevalence of adverse events