PMID: 8597318Mar 15, 1996Paper

Rating long-term care facilities on pressure ulcer development: importance of case-mix adjustment

Annals of Internal Medicine
D R BerlowitzM A Moskowitz

Abstract

To determine the importance of case-mix adjustment in interpreting differences in rates of pressure ulcer development in Department of Veterans Affairs long- term care facilities. A sample assembled from the Patient Assessment File, a Veterans Affairs administrative database, was used to derive predictors of pressure ulcer development; the resulting model was validated in a separate sample. Facility-level rates of pressure ulcer development, both unadjusted and adjusted for case mix using the predictive model, were compared. Department of Veterans Affairs long-term care facilities. The derivation sample consisted of 31 150 intermediate medicine and nursing home residents who were initially free of pressure ulcers and were institutionalized between October 1991 and April 1993. The validation sample consisted of 17 946 residents institutionalized from April 1993 to October 1993. Development of a stage 2 or greater pressure ulcer. 11 factors predicted pressure ulcer development. Validated performance properties of the resulting model were good. Model-predicted rates of pressure ulcer development at individual long-term care facilities varied from 1.9% to 6.3%, and observed rates ranged from 0% to 10.9%. Case-mix-adjusted rates and...Continue Reading

Citations

Jul 12, 2012·Archives of Internal Medicine·Joan M TenoVincent Mor
Aug 31, 2001·Journal of the American Geriatrics Society·D R BerlowitzM A Moskowitz
Aug 31, 2001·Journal of the American Geriatrics Society·D R BerlowitzM A Moskowitz
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