National Average HAPI Prevalence Rate in Acute Care Facilities
The national average hospital-acquired pressure injury (HAPI) prevalence rate in U.S. acute care facilities is approximately 2.58% based on the most recent large-scale data from 2018-2019. 1
Current U.S. Prevalence Data
The most comprehensive and recent U.S.-specific data comes from the International Pressure Ulcer Prevalence (IPUP) Survey database analyzing 296,014 patients across 887-914 acute care facilities in 2018-2019. This study found:
- Overall HAPI prevalence: 2.58% (7,631 patients with at least one HAPI out of 296,014 total patients) 1
- Overall pressure injury prevalence (including community-acquired): 8.97% 1
More recent 2022 data from the National Database of Nursing Quality Indicators (NDNQI) examining 355,031 high-risk patients across 1,379 acute care facilities reported a HAPI prevalence of 3.8% among high-risk patients specifically 2. This higher rate reflects the focus on high-risk populations rather than all hospitalized patients.
Unit-Specific Variation
HAPI prevalence varies significantly by unit type 1:
- Medical-surgical units: 1.87% (lowest)
- Step-down units: 3.5-4% (intermediate)
- Critical care units: 5.85% (highest)
Critical care patients not only develop HAPIs more frequently but also develop more severe injuries (stage 3,4, unstageable, and deep-tissue pressure injuries) compared to other unit types 1.
Important Context and Trends
The HAPI prevalence has plateaued since 2015 after declining between 2006-2015, suggesting current prevention strategies may have reached their maximum effectiveness with traditional approaches 1. The global prevalence data shows hospital-acquired pressure injuries affect approximately 8.4% of hospitalized patients worldwide (95% CI 7.6-9.3%) 3, though this includes both developed and developing nations with varying prevention resources.
Clinical Implications
The sacrum/coccyx remains the most common anatomical location for HAPIs, except for deep-tissue pressure injuries which most commonly occur on the heel 1. Medical device-related pressure injuries account for approximately 50% of HAPI cases 4, representing a critical prevention target that traditional risk assessment tools may not adequately address.
The most frequently occurring stages are Stage I (43.5%) and Stage II (28.0%) 3, which are superficial and theoretically most preventable with consistent adherence to prevention protocols.