Figure 3From: Clinically important improvement in the WOMAC and predictor factors for response to non-specific non-steroidal anti-inflammatory drugs in osteoarthritic patients: a prospective studyROC curve of the WOMAC total score. A percent change of -16% generated from the ROC analyses were optimal cut-off point associated with our definition of MCID, namely the transition category of "slightly better". The sensitivity and specificity of the cut-off point were 75% and 68% respectively.Back to article page