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Table 3 Comparison of clinical results between groups of octogenarians who underwent primary or revision total knee arthroplasty

From: Mid-term lifetime survivals of octogenarians following primary and revision total knee arthroplasties were satisfactory: a retrospective single center study in contemporary period

   Primary Revision p value
WOMAC score Preoperative 64.2 ± 11.2 (45–80) 61.2 ± 12.3 (44–85) 0.142
Postoperative 33.1 ± 11.2 (11–58) 47.2 ± 21.1 (10–70) < 0.001
Range of motion (degrees) Preoperative 119.2 ± 19.9 (50–140) 104.9 ± 29.7 (60–140) 0.005
Postoperative 128.9 ± 12.1 (110–145) 113.6 ± 24.1 (80–145) < 0.001
  1. Data are presented as the mean ± standard deviation (range)
  2. WOMAC Western Ontario and McMaster Universities Osteoarthritis Index