Survival rate of cemented versus cementless tibial component in primary total knee arthroplasty over 5 years of follow-up: comparative study of 109 prostheses.

Secondary outcomes were the postoperative KSS (knee, function) and HSS scores, the postoperative range of motion (ROM), the analysis of radiolucent tibial lines according to Ewald’s method [ 18 ] (classified in 3 stages according to Ewald’s scoring system: ≤4 “probably not significant”, 5–9 “should be closely followed for progression”, ≥ 10 “possible or impending failure regardless of symptoms”), the radiographic measurements (HKA, HKS, LDFA, MPTA, Caton–Deschamps index, tibial slope) and the occurrence of complications according to the standardized definitions of the Knee Society [ 17 ].

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