• Shahrzad Bazargan-Hejazi, Marvin Ambriz, Shakir Ullah, Shahbaz Khan, Maria Bangash, Kaveh Dehghan, and Chizobam Ani.
• Department of Psychiatry, College of Medicine, Charles R. Drew University of Medicine and Science and UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
• Medicine (Baltimore). 2023 Oct 6; 102 (40): e35307e35307.

AbstractIn the United States (US), pressure ulcers affect ≤3 million people and costs exceed 26.8 billion US dollars in spending. To examine trends in primary pressure ulcer (PPU) hospitalization mortality, length of hospital stay (LOS), and inflation-adjusted charges (IAC) in the US from 2005 to 2014 by race/ethnicity. We secondarily examined the relationship between race/ethnicity with PPU mortality, LOS, and IAC with race/ethnicity. This cross-sectional study used Nationwide Inpatient Sample (NIS) data from 2005 to 2014. The study sample included all hospitalizations with the designated ICD-9-CM code of 707.20-25 (pressure ulcer). There was a notable decline in PPU hospitalization from 11.5% to 7.77 % between 2005 and 2014. The mean mortality decreased from 2.32% to 1.12% (P < .001), the mean LOS declined from 9.39 days (P < .001), and the mean IAC per hospitalization decreased from $30,935 to $29,432 (P < .001). Positive changes observed in mortality, LOS, and IAC trends were consistent across different racial and ethnic groups. The results of multivariable logistic and linear regression analyses revealed that Black patients (β = 0.68, 95% CI 0.36-1.01, P < .001) and patients belonging to the Other race/ethnic category (β = 0.93, 95% CI 0.18-1.69) had longer hospital stays compared to their White counterparts. Regarding IAC, Black patients (β = 2846, 95% CI 1254-4439, P < .005), Hispanic patients (β = 6527, 95% CI 4925-8130), and patients from the Other race/ethnic category (β = 3473, 95% CI 1771-5174) had higher IAC for PPU treatment compared to their White counterparts. PPU hospitalization discharges, as well as hospitalization mortality, LOS, and IAC, decreased during the study period, however, our findings revealed disparities in PPU outcomes among different racial/ethnic groups. Implications of the findings are discussed.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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