Research Article

Analysis of the following Related Surgeries of Unicompartmental Knee Arthroplasty and Total Knee Arthroplasty: A Taiwanese National Health Insurance Research Database Population-Based Study

Figure 1

Flow chart of the database analysis: (a) primary analysis of bilateral knee arthroplasty; (b) additional analysis of revision surgery and infection-related analysis. Abbreviations: NHIRD: National Health Insurance Research Database; LHID: Longitudinal Health Insurance Database; OA: osteoarthritis; ON: osteonecrosis; UKA: unicompartmental knee arthroplasty; TKA: total knee arthroplasty.
(a)
(b)