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Table 2 KOS-ADL evaluation (Symptoms) 1 year after the surgery

From: Clinical outcomes of Ti-Ni shape-memory patella concentrator combined with cannulated compression screws in the treatment of C2 and C3 patella fracture: a retrospective study of 54 cases

  I do not have the symptom in my knee I have the symptom, but it does not affect my activity The symptom affects my activity slightly The symptom affects my activity moderately The symptom affects my activity severely The symptom prevents me from all daily activity NO answer
Pain 22 9 14 4 5 0 0
Stiffness 30 4 8 3 5 0 4
Swelling 28 8 6 4 4 0 4
Slipping 20 9 8 4 9 0 4
Buckling 19 9 11 5 8 0 2
Weakness 29 6 6 6 2 2 3