Figure 2

Box plot analysis of split duration. Box plot for split duration for Canadian patients with local recurrence (n = 9) or no local recurrence (n = 43) (P = NS), and Swiss patients with local recurrence (N = 6) or no local recurrence (n = 26) (P < 0.001). The thick line is the median value, the solid box is the interquartile range and the whiskers are the 10^th and 90^th percentiles, individual cases outside these ranges are plotted.