Traditional Chinese Herbal Patch for Short-Term Management of Knee Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 1

Subscale of investigator assessment of knee OA condition measured by Traditional Chinese Medicine Syndrome Questionnaire (TCMSQ).

Items	Assessment criteria
	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