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Number of patients (N = 53) fulfilling the responder criteria according to the outcome measures (N = 53).
PASS = Patient Acceptable Symptom State; WOMAC = Western Ontario and McMaster University Osteoarthritis Index; WOMAC pain 50% = Decrease of 50% or more in WOMAC pain subscore; PGAP = Patient’s Global Assessment of Pain (on a 10-point numerical rating scale).
