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Table 5 KSS before and after revision TKA

From: Mid-term clinical and radiographic outcomes of porous-coated metaphyseal sleeves used in revision total knee arthroplasty

Preop KSS Mean (SD) 72.1 (17.3)
Postop KSS Mean (SD) 90.0 (13.9)
Mean difference:
Postop KSS-Preop KSS
Mean (95% CI/P value) 17.9 (8.0–27.8/P value < 0.001)
Flexion contracture Preop/postop % (n) 23.3% (7)/13.3% (4)
Unable to flex knee to 90° Preop/postop % (n) 23.3% (7)/3.3% (1)
  1. CI confidence interval, KSS Knee Society Score, SD standard deviation, TKA total knee arthroplasty