Patient safety trends in 2024: An analysis of 315,418 serious events and incidents from the Nation’s largest event reporting database (21 April 2025)

Summary

The Pennsylvania Patient Safety Reporting System (PA-PSRS) is the largest patient safety data repository of its kind in the United States and one of the largest globally, housing over 5 million reports submitted since 2004. This article presents data from reports submitted to PA-PSRS in 2024.

Content

In 2024, 315,418 reports were submitted to PA-PSRS, marking a 9.5% increase from 2023. Reports of serious events rose by 7.3%, while high harm events increased by 1.1%.

Of all reports, 96.0% came from hospitals, while 4.0% originated from nonhospital facilities (ambulatory surgical facilities (ASFs), birthing centres, and abortion facilities). The vast majority (96.0%) were incidents, while the remaining 4.0% were classified as serious events.

Preliminary 2024 reporting rates show 32.2 reports per 1,000 patient days for hospitals and 11.4 reports per 1,000 surgical encounters for ASFs, with both rates increasing by 1.1 points from 2023

Error Related to Procedure/Treatment/Test (P/T/T) remained the most frequently reported event type overall, accounting for 33.4% of reports from all facilities combined and 47.6% from nonhospital facilities. Among serious events, Complication of P/T/T was the most common type, making up 57.7% of serious event reports from all facilities combined and 71.4% from nonhospital facilities.