Fig. 2From: Safety and efficacy of intra-articular infiltration of purified autologous adipose tissue for osteoarthritis treatment: a pre-post studyMean functional Western Ontario and McMaster Universities Arthritis Index (WOMAC) scores (n = 24) before and after Lipocell treatment. Error bars show standard deviation. *p vs. before treatment < 0.05; **p vs. before treatment < 0.01Back to article page