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Improvement from baseline to final assessment in WOMAC pain score with diclofenac sodium topical solution and vehicle control. Pain score was based on five questions scored on a scale of 0 to 4.
Notes: *P = 0.023; †P = 0.001; ‡P = 0.003; §P = 0.009. P values are vs vehicle control.
Abbreviation: WOMAC, Western Ontario and McMaster Universities.
