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Continued Increase in Cost of Care Despite Decrease in Stay After Posterior Spinal Fusion for Adolescent Idiopathic
K Aaron Shaw1, Brittany Ange, Varghese George
1From the Department of Orthopaedic Surgery, Dwight D. Eisenhower Army Medical Center, Fort Gordon, GA (Dr. Shaw); the Department of Surgery, Uniformed Services University of Health Sciences, Bethesda, MD (Dr. Shaw); the Department of Biostatistics and Epidemiology, (Dr. Ange, Dr. George), Augusta University, Augusta, GA (Dr. Ange, and Dr. George); the Department of Pediatric Orthopaedic Surgery, Children's Healthcare of Atlanta-Scottish Rite, Atlanta, GA (Dr. Murphy); and the Department of Pediatric Orthopaedic Surgery, Children's Healthcare of Atlanta-Egelston, Emory University Atlanta, Atlanta, GA (Dr. Fletcher).
Introduction:
Previous studies have demonstrated decreased hospital length of stay (LOS) for children undergoing posterior spinal fusion (PSF) for adolescent idiopathic scoliosis (AIS).
Methods:
Hospitalization event data from the Kids Inpatient Database were queried for all PSF events for AIS performed in 2009, 2012, and 2016 using diagnosis and surgical codes. Data were subdivided into two groups: pre-enhanced recovery after surgery (ERAS) (2009 and 2012) and post-ERAS (2016). The primary outcome variables were LOS and total treatment charge (adjusted for 2020 inflation). Univariate and multivariate analysis were performed to identify differences in outcome variables.
Results:
A total of 12,010 unique hospitalization events were identified, 74% female, mean 14.3 years. There was a decrease in LOS (pre-ERAS: 5.4 ± 4.0 versus 4.3 ± 3.2 days, P < 0.0001) with an increase in adjusted total treatment charge (pre-ERAS $193,544.4 ± $108,116.1 versus $200,469.1 ± $110,112.6; P = 0.0013). Pre-ERAS, male sex, smaller hospital, and non-Medicaid insurance were predictive of longer LOS, whereas pre-ERAS, older age, non-White race, male sex, hospital outside the Northeast, and non-Medicaid insurance were predictive of higher treatment costs.
Discussion:
There continues to be a significant decrease in LOS for PSF hospitalization events for AIS; however, total treatment charges continue to rise. Future research should investigate potential factors influencing total treatment charges after PSF for AIS.
