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The baseline data. Note that WOMAC is with Likert scale (range for pain is 0-20, function 0-68, total 0-96).  HAQ pain and disability scales have a range of 0-3.  EQ-5D is the patient utility and ranges from 0 to 1.0 (death to excellent health status).  EQ-VAS is a “feeling thermometer” and measures from 0-100.  SF-36 ranges from 0-100 where 100 is best.