Research Article

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

Table 4

Changes in secondary outcomes.

VariablePlacebo ( )FNZG ( )SIG ( )

WOMAC: Pain (range 0–20)

Day 7
Improvement from baseline
P value0.9880.310

Stiffness (range 0–8)

Day 7
Improvement from baseline -0.78 (−1.10, −0.45)
P value0.8270.804

Physical function (range 0–68)

Day 7
Improvement from baseline
P value0.5640.820

Total score (score 0–96)

Day 7
Improvement from baseline
P value0.8000.616

Investigator TCMSQ subscaleSwelling (range 0–6)

Day 7
Improvement from baseline
P value0.5870.996

Range of motion (range 0–6)

Day 7
Improvement from baseline
P value0.1860.727

Fatigue in the region of waist and knee muscles (range 0–6)

Day 7
Improvement from baseline
P value0.8700.917

Fear of coldness (range 0–6)

Day 7
Improvement from baseline
P value0.0290.172

Values are the mean (95% confidence interval). P values were calculated by one-factor analysis of variance (ANOVA). WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index; TCMSQ: Traditional Chinese Medicine Syndrome Questionnaire.