Fig. 2

Mean and 95% CI of the outcomes measures across the three groups. a mean and 95% CI of WOMAC pain score at baseline and 3-month follow-up, b mean and 95% CI of TUG test score at baseline and 3-month follow-up, c mean and 95% CI of Katz ADL score at baseline and 3-month follow-up, d mean and 95% CI of PSFS score at baseline and 3-month follow-up. WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index; TUG = Timed Up and Go; ADL = Activities of daily living; PSFS = Patient specific functional scale; CI = Confidence interval