Figure 1From: Robotics versus laparoscopy - an experimental study of the transfer effect in maiden usersThe mean time for each try to tie a knot for the 20 subjects with CL and RL in seconds. Statistics: Friedman's test: CL knot, sets 1,2, 3 and 4: 0.0001. RL knot, sets 1,2,3 and 4: 0.3 (ns). Wilcoxon Signed Rank test: CL knot, sets 1 and 4: 0.0001. RL knot, sets 1 and 4: 0.009.Back to article page