Preoperative and Postoperative Comparison on Patients with Total Knee Replacement based on the OKS, KOOS-JR, and KOS-ADLS Scoring Systems Naufaldy Rifqiaulia1*, Jifaldi Afrian MDS2, and Brian V. Faridyan2 Abstract Background: Total knee replacement (TKR) is indicated if initial management fails to control symptoms. Clinical and functional assessments in patients who