Table 3 Comparison of WOMAC scores between studies employing varying definitons of knee pain positive patients.
Study | Pain +ve WOMAC definition | WOMAC score in those with knee pain but no radiographic knee OA compared to those with radiographic knee OA |
|---|---|---|
Brandt [24] | Greater than moderate (> 3) for any of the five categories on more than half the days in the month preceding evaluation | No significant difference |
Williams [21] | Currently had mild pain or greater (> 0). | No significant difference |
Ang [23] | Current or past pain, WOMAC transposed to a scale of 0 – 100 | No significant difference |