Figure 3From: Tactile acuity training for patients with chronic low back pain: a pilot randomised controlled trial Pain levels pre and post treatment. This figure shows the pain levels, as measured by a 0-100Â mm Visual Analogue Scale (VAS) pre and post treatment for both groups. * indicates a statistically significant (p < 0.05) change in pain from pre to post treatment in the placebo group. Data are presented as mean (1SD).Back to article page