• Shobhit V Minhas, Ian Chow, Tyler J Jenkins, Brian Dhingra, and Alpesh A Patel.
• Department of Orthopaedic Surgery, Northwestern University, Feinberg School of Medicine, 676 North Saint Clair St, NMH/Arkes Family Pavilion Suite 1350, Chicago, IL 60611, USA.
• Spine J. 2015 May 1; 15 (5): 841-8.

Background ContextThe frequency of anterior cervical fusion (ACF) surgery and total hospital costs in spine surgery have substantially increased in the last several years.PurposeTo determine which patient comorbidities are associated with increased total hospital costs after elective one- or two-level ACFs.Study Design/SettingRetrospective cohort analysis.Patient SampleIndividuals who have undergone elective one- or two-level ACFs at our single institution. The total number of patients amounted to 1,082.Outcome MeasuresTotal hospital costs during single admission.MethodsMultivariate linear regression models were used to analyze independent effects of preoperative patient characteristics on total hospital costs. Univariate analysis was used to examine association of these characteristics on operative time, length of hospital stay (LOS), and complications.ResultsAge, obesity, and diabetes were independently associated with increased average hospital costs of $1,404 (95% confidence interval [CI], $857-$1,951; p<.001), $681 (95% CI, $285-$1,076; p=.001), and $1,877 (95% CI, $726-$3,072; p=.001), respectively. Age was associated with increased LOS (p<.001) and complications (p<.001) but not operative time (p=.431). Diabetes was associated with increased LOS (p<.001) and complications (p=.042) but not operative time (p=.234). Obesity was not associated with increased LOS (p=.164), complications (p=.890), or operative time (p=.067).ConclusionsThis study highlights the patient comorbidities associated with increased hospital costs after one- or two-level ACFs and the potential drivers of these costs.Copyright © 2015 Elsevier Inc. All rights reserved.

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