(For any complication, only type of implant (p = 0.007) and surgeon-volume (p = 0.001) had confounding effects in the regression model.) The pain and function algorithms of the OMERACT-OARSI responder criteria showed a trend towards the UKA group having around a 60% higher chance of reaching both any responder level (OR 1.6; 95% CI 0.6–4.5) as well as a high responder level (OR 1.6; 95% CI 0.7–3.4) compared with the TKA group ( Table 2B ).
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The Renaissance of Unicompartmental Knee Arthroplasty appears rational - A radiograph-based comparative Study on adverse Events and patient-reported Outcomes in 353 TKAs and 98 UKAs.
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Results The UKA group showed an 82% reduced risk (OR 0.2; 95% CI 0.0–0.6) of any complications, whereas the 55% reduced risk of severe complication did not reach statistical significance (OR 0.5; 95% CI 0.1–2.1).