A hospital staff member talking to a patient and his wife

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Multiple Patient Safety Events in Hospitals

June 5, 2012

A "patient safety event" is any event or action that could lead to a worse outcome for a patient—bedsores, post-operative respiratory failure, post-operative deep vein thrombosis, etc. How often do hospital patients experience multiple patient safety events (MPSEs)?

  • 1 in 1000 hospitalizations result in MPSEs.
  • An MPSE increases the hospital stay by 400% and increases costs by 800%.
  • The patient most likely to experience MPSEs is an older black man on Medicare living in a low median-income ZIP code.