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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