Developing a Measure of Overall Intensity of Injury Care: A Latent Class Analysis

Although injury is a leading cause of death and debility in older adults, the relationship between intensity of care and trauma remains unknown. Led by past PISC trainee Alexis M. Zebrowski, PhD, MPH, Jesse Hsu, PISC Executive Committee member Daniel N. Holena, MD, PISC Director Douglas Wiebe, PhD, and PISC External Advisory Board member Brendan Carr, MD, MS, the focus of this study was to measure the overall intensity of care delivered to injured older adults during hospitalization. By analyzing fee-for-service claims data from the Centers for Medicare and Medicaid Services Medicare, the authors found that 73% of cases were classified as low intensity, 23% as moderate, and 4% as high intensity care. Greater age and reduced injury severity were indicators of lower intensity, while males, non-whites, non-fall mechanisms, and intubation/mechanical ventilation were associated with high intensity. These results imply that although care for blunt trauma is heterogeneous, such care can be evaluated using a single novel measure.

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