Subscale of investigator assessment of knee OA condition measured by Traditional Chinese Medicine Syndrome Questionnaire (TCMSQ).
|0 point||2 points||4 points||6 points|
|Swelling||None||Suspected floating patella test||Positive floating patella test||Significantly|
|Range of motion||Move freely||120°~140°||100°~120°||<100°|
|Fatigue in the region of waist and knee muscles||None||Occasionally, but not affected the life and work||Occurred only after working||Persisted during the life|
|Fear of coldness||None||Not palpable over knee joints when palpation||Palpable over knee joints when palpation||Obviously, needed clothing to protect the whole body|