Observational Study
Copyright ©The Author(s) 2023.
World J Orthop. Jun 18, 2023; 14(6): 443-457
Published online Jun 18, 2023. doi: 10.5312/wjo.v14.i6.443
Table 2 Change in Knee Injury and Osteoarthritis Outcome Score subscale scores (Full analysis set)
SubscaleKnee osteoarthritis (n = 824) – KOOS scale
P valuea
Visit 1, baseline, n = 824
Visit 2, week 16-24, n = 798
Visit 3 week 36-44, n = 794
Visit 4, week 56-64, n = 794
Changes from baseline on visit 4
Pain61.48 (60.36-62.61)79.59 (78.48-80.70)82.50 (81.45-83.56)84.24 (83.15-85.34)22.87 (21.56-24.18)< 0.001
Symptoms62.25 (61.02-63.48)77.65 (76.46-78.84)81.09 (79.97-82.21)82.80 (81.66-83.93)20.78 (19.43-22.13)< 0.001
Functional activity of the joint61.46 (60.73-62.18)72.48 (71.63-73.34)75.78 (74.86-76.69)78.03 (77.06-78.99)16.60 (15.59-17.61)< 0.001
Quality of life44.99 (43.83-46.16)61.40 (60.10-62.69)65.91 (64.54-67.27)69.92 (68.45-71.39)24.87 (23.41-26.34)< 0.001