From: Knee injury and Osteoarthritis Outcome Score (KOOS) – validation and comparison to the WOMAC in total knee replacement
Intraclass correlation coefficients
KOOS subscale
Pre-op, n = 28*
Post-op, n = 26†
Total group, n = 54
Pain
0.90
0.94
0.97
Symptoms
0.92
0.85
ADL
0.89
0.82
0.93
Sport/Rec
0.58
0.74
0.78
QOL
0.73
0.88