Figure 3From: A treatment applying a biomechanical device to the feet of patients with knee osteoarthritis results in reduced pain and improved function: a prospective controlled study Western Ontario and McMaster Osteoarthritis Index (WOMAC) over score mean values - distribution by age and gender. Time by treatment effect was significant in the active group in all 4 conditions. There was no significant time by treatment effect in the control group. P < 0.05Back to article page