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Do, Dang-Huy, Mounasamy, Varatharaj, Sambandam, Senthil. (1403). Predictors of Higher Costs Following Reverse Total Shoulder Arthroplasty. , 12(7), 469-476. doi: 10.22038/abjs.2024.77124.3564
Dang-Huy Do; Varatharaj Mounasamy; Senthil Sambandam. "Predictors of Higher Costs Following Reverse Total Shoulder Arthroplasty". , 12, 7, 1403, 469-476. doi: 10.22038/abjs.2024.77124.3564
Do, Dang-Huy, Mounasamy, Varatharaj, Sambandam, Senthil. (1403). 'Predictors of Higher Costs Following Reverse Total Shoulder Arthroplasty', , 12(7), pp. 469-476. doi: 10.22038/abjs.2024.77124.3564
Do, Dang-Huy, Mounasamy, Varatharaj, Sambandam, Senthil. Predictors of Higher Costs Following Reverse Total Shoulder Arthroplasty. , 1403; 12(7): 469-476. doi: 10.22038/abjs.2024.77124.3564

Predictors of Higher Costs Following Reverse Total Shoulder Arthroplasty

The Archives of Bone and Joint Surgery
مقاله 3، دوره 12، شماره 7، مهر 2024، صفحه 469-476    اصل مقاله (883.07 K)
نوع مقاله: RESEARCH PAPER
شناسه دیجیتال (DOI): 10.22038/abjs.2024.77124.3564
نویسندگان
Dang-Huy Do* ؛ Varatharaj Mounasamy؛ Senthil Sambandam
1Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, 1801 Inwood Road, Dallas, Texas, USA, 75390
چکیده
Objectives: The rising popularity of reverse total shoulder arthroplasties (RTSA) demands attention to 
its growing costs on the healthcare system, especially with the implementation of bundled payments. 
Charges associated with patients’ inpatient stays can be mitigated with a better understanding of the 
drivers of cost following RTSA. In this study, we evaluate potential pre -operative and post-operative 
factors associated with higher inpatient costs following RTSA.
Methods: We identified 59,925 patients who underwent RTSA using the National Inpatient Sample between 2016 
and 2019. Total inpatient hospital charges were collected, and patients were divided into “normal cost” or “high cost”
groups. The high cost group was defined as patients with total costs greater than the 75th percentile. Univariate and 
multivariate analyses were performed on pre-operative demographic and comorbidity variables as well as postoperative surgical and medical complications to predict factors associated with higher costs. T-tests and Chi-squared 
tests were performed, and odds ratios were calculated.
Results: The mean total charges were $141.213.93 in the high cost group and $59,181.94 in the normal cost group. 
Following multivariate analysis, non-white patients were associated with higher costs by 1.31-fold (P<0.001), but 
sex and age were not. Cirrhosis and non-elective admission had higher odds of higher costs by 1.56-fold (P<0.001) 
and 3.13-fold (P<0.001), respectively. Among surgical complications, there were higher odds of high costs for 
periprosthetic infection by 2.43-fold (P<0.001), periprosthetic mechanical complication by 1.28-fold (P<0.001), and 
periprosthetic fracture by 1.56-fold (P<0.001). Medical complications generally had higher odds of high costs than 
surgical complications, with deep vein thrombosis having nearly five times (P<0.001) and myocardial infarction 
almost four times (P<0.001) higher odds of high inpatient costs.
Conclusion: Post-operative medical complications were the most predictive factors of higher cost following RTSA. 
Pre-operative optimization to prevent infection and medical complications is imperative to mitigate the economic 
burden of RTSA’s.
 Level of evidence: III
کلیدواژه‌ها
Complications؛ Costs؛ Predictor؛ Reverse total shoulder arthroplasty
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آمار
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