AHRQ Quality Indicators v2024, Patient Safety Indicator 90, Patient Safety and Adverse Events Composite

PSI 90 is the weighted average of observed-to-expected ratios across ten component indicators. PSI 03 Pressure Ulcer Rate carries a component weight of 0.1937 and PSI 08 In-Hospital Fall-Associated Fracture Rate carries 0.0506. Weights combine an event-volume weight from an all-payer reference population with a harm weight derived from linked Medicare fee-for-service claims. PSI 08 counts fall-associated fracture, not falls, so there is no nationally specified all-falls rate in the indicator set.

Supporting location Description and Table 1, Composite Weights for PSI 90 v2024

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