Figure 1From: Disease knowledge after an educational program in patients with GERD – a randomized controlled trial Knowledge test scores at 2 and 12 months follow-up for educated patients (edu) and patients allocated to control (contr). Plots show median (--), mean (- -), interquartile range (box) and 10th/90th (whiskers) percentiles. Diff. = difference in means.Back to article page