97 Training novice robot surgeons: Proctoring provides same results as simulator-generated guidance Appendix 3a. Comparison of the pre-intervention and post-intervention vesicourethral anastomosis simulation exercise scores for the no guidance group Variable No guidance group Number of participants of which data was available Pre-intervention score, Median (IQR) Post-intervention score, Median (IQR) Difference in score, Median (IQR) Z-value$ / T-value* p-value Time and Economy Total time (seconds) 21 1739.4 (307.3) 1387.5 (594.2) 242.9 (486.9) -1.929 .054 Number of movements - left instrument (n) 21 1089.0 (2013.0) 880.0 (416.0) 68.0 (499) -2.068 0.039 Number of movements - right instrument (n) 21 1250.0 (759.0) 955.0 (522.5) 188.0 (542) -2.538 .011 Path length - left instrument (mm) 21 11343.3 (6945.7) 9395.6 (5234.0) 1232.3 (6042.0) -1.199 .230 Path length - right instrument (mm) 21 12481.9 (6854.2) 9569.3 (4814.2) 985.9 (5569.0) -1.755 .079 Distance by camera (mm) 21 1030.7 (2004.1) 389.9 (1982.9) 157.9 (1159.5) -1.964 .050 Instrument collisions (n) 21 83.0 (94.0) 73.0 (54.0) 13.0 (77) -1.668 .095 Total path of instruments traveled out of view (mm) 21 1214.1 (3208.9) 867.0 (1202.9) 190.3 (1948.7) -1.447 .140 Number of times instruments are out of view (n) 21 43.0 (83.0) 35.0 (59.0) -3.0 (55) -0.747 .455
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