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Table 5 Comparison of preoperative and postoperative clinical outcome

From: Results of total knee arthroplasty for painless, stiff knees

Results Preoperative Last follow-up P value
Mean KSS 36.0 ± 21.0 (3–65) 76.9 ± 11.4 (60–100) P < 0.001
Mean FS 50.9 ± 21.0 (5–70) 67.2 ± 19.5 (30–100) P= 0.01
Mean ROM 0 ± 0 (0–50) 77.6 ± 36.4 (15–130) P < 0.001
VAS 0 0.2 ± 0.5 (0–2) P= 0.1
  1. The values are given as the mean ± standard deviation, with the range in parentheses
  2. FS Knee Society function score, KSS Knee Society score, ROM range of motion, VAS visual analog scale