Abstract：
:Maryland implemented the all-payer, rater-setting Global Budget Revenue (GBR) payment model in 2014 to reduce cost and improve quality. This study assessed the effect of GBR on total knee arthroplasty (TKA) outcomes by sex. Specifically, the authors assessed (1) demographics and (2) outcomes of males and females undergoing TKA before and after GBR implementation. The Maryland State Inpatient Database was queried from 2011 to 2016. There were 71,066 TKAs (male, n=25,413; female, n=45,634). For continuous and categorical variables, t testing and chi-square analyses were used, respectively. Difference-in-difference analyses using multiple regression compared changes in sex from the pre-GBR period (2011-2013) with the post-GBR period (2014-2016). The female proportion decreased (-1.9%; P=.040). Proportionally more TKA patients were Hispanic and Asian, from high-income areas, using Medicare and Medicaid, and morbidly obese (all P<.001). The mean length of stay (LOS), charges, and costs were decreased after GBR implementation (all P<.001). More patients were discharged routine and had fewer readmissions (both P<.001). There were fewer complications, including deep venous thromboses/pulmonary emboli, urinary tract infections, and blood transfusions (all P<.001). The difference-in-difference analyses suggested more females were discharged with home health care and had longer LOS than did males (both P<.001). The GBR appears to meet its main objective of cost reduction and improvements in quality of care. However, the proportion of females receiving TKA decreased, and their LOS did not improve as much as that of males. As other states consider global budgets, more research is needed to ensure this all-payer, rate-setting, capitated system does not cause decreased access to care. [Orthopedics. 2021;44(x):xx-xx.].
journal_name
Orthopedicsjournal_title
Orthopedicsauthors
Wilkie W,Mohamed N,Remily E,Etcheson J,Dávila Castrodad I,Walker A,Delanois Rdoi
10.3928/01477447-20201216-02subject
Has Abstractpub_date
2020-12-29 00:00:00pages
1-8eissn
0147-7447issn
1938-2367pub_type
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