Table 4 Syndromes questionnaire for TCM assessment of knee OA condition

pale tongue □

pale red tongue □

red tongue □

teeth-marked tongue □

others

(please note)

Tongue fur (choose one with √ or note for others)

white fur □

yellow fur □

thin fur □

thin fur □

others

(please note)

Pulse diagnosis (choose one with √ or note for others)

floating pulse □

sunken pulse □

slow pulse □

rapid pulse □

fine pulse □

slippery pulse □

string-like pulse □

others

(please note)

Knee joint situation (mark with √ for yes or no)

morning stiffness

no □

yes □

cold pain

no □

yes □

pain of unfixed location

no □

yes □

stabbing pain

no □

yes □

joint swelling

no □

yes □

muscle atrophy

no □

yes □

Whole body situation (mark with √ for yes or no)

easy to sweat at daytime

no □

yes □

easy to sweat at nighttime

no □

yes □

sloppy stool

no □

yes □

hard bound stool

no □

yes □

dry mouth

no □

yes □

profuse dreaming

no □

yes □

reddish yellow urine

no □

yes □

frequent urination

no □

yes □

vexing heat in the

extremities

no □

yes □

poor libido

no □

yes □

deafness

no □

yes □

torpid intake

no □

yes □

dizzy vision

no □

yes □

tinnitus

no □

yes □

lack of strength

no □

yes □

somnolence

no □

yes □

lassitude of spirit

no □

yes □

inability to sleep

no □

yes □