Fig. 2

Distribution of Knee Self-Efficacy (K-SES) scores in the different treatment groups (total n = 89) at 6 years after injury. The bar in the box represents the median, the box represents the interquartile range (IQR) and the whiskers extend to the minimum or the maximum values within 1.5 IQR from the lower and the higher edges of the box. Circles represent cases with values between 1.5 and 3 IQR from the lower edge of the box