| Summary: | 碩士 === 輔仁大學 === 生物醫學海量資料分析碩士學位學程 === 106 === Background: Current treatment options for both unicompartmental knee arthroplasty (UKA) and total knee arthroplasty (TKA) are still controversial with no consistent results which one is superior than other. This is the first study to examine and analyze the following related data available in patients receiving both UKA and TKA from the National Health Research Database (NHIRD) in Taiwan.
Methods: Patient’s database were searched from NHIRD, analyzing patients receiving either UKA or TKA between January 2005 to December 2013, or up until death. Age, gender, comorbidities, time interval, order of surgery which underwent first follow up by a following surgery, and total medical costs were collected and analyzed further.
Results: A total of 6,230 patients (n = 295 UKA; n = 5935 TKA) were selected. Most of the patients were over 60 years of age and were more likely to be female. Although patients more likely to have diabetes mellitus (n = 49) in comorbidities, there were no significant differences overall in comorbidities and complications. 20.8% of the total patients received TKA as their first surgery follow up by another TKA while only 0.23% of the people received TKA as their first surgery follow up by UKA. Total average medial cost was more overall in both UKA and TKA during patients in hospitals in compared to outpatient, however, TKA total average medical costs ($231,397 New Taiwan Dollar; NTD) was almost double in compared to UKA ($139,151 NTD) in inpatient alone.
Conclusion: There are more patients receiving TKA than UKA from their first surgery, and more likely to go under TKA revision again. UKA, however, cost less in inpatients than in TKA. Further NHIRD research evaluating the availability in patient’s data as well as long-term follow up and subcategorizing factors are required to understand better between these two options.
Keywords: unicompartmental knee arthroplasty, total knee arthroplasty, National Health Research Database, Taiwan
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