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Bashir Yunusa et al


                Table 2D: Average timing of renal vessels clipping  Table 3A: Timing of ligation of ureteroureteric anastomosis with
                                                                              30º manipulation angle
           Manipulation angles in degrees  30  60    90
                                                                                                            2
           Mean timing in seconds    16.00   11.10   30.20      Sl.      Observed     Expected           (O-E)
           c 2                       9.56    11.65   16.85     no.  (O)         (E)      O-E     (O-E) 2       E
                                                                1   387          381.65  5.35   28.62  0.075
                                                                2   377                  – 4.65  21.62  0.057
                                                                3   397                  15.35  235.62  0.62
                                                                4   372                  – 9.65  93.12  0.24
                                                                5   310                  – 28.35 803.72  2.11
                                                                6   368                  – 13.65 186.32  0.49
                                                                7   389                  7.35   54.02  0.14
                                                                8   398                  16.35  267.32  0.70
                                                                9   387                  5.35   28.62  0.07
                                                               10   401                  19.35  374.42  0.98
                                                               11   390                  8.35   69.72  0.18
                                                               12   403                  21.35  455.82  1.19
                                                               13   402                  20.35  414.12  1.09
                                                               14   304                  – 77.65 6029.52 15.80
                                                               15   391                  9.35   87.42  0.23
                                                               16   398                  16.35  267.32  0.70
            Fig. 3: the ports positioning for the upper tract tasks on the   17  393     5.35   128.82  0.34
                          swine with illumination
                                                               18   395                  19.35  178.22  0.47
                                                               19   381                  – 0.65  0.42  0.00
                                                               20   390                  8.35   69.72  0.18
                                                                                                        2
                                                                    Average time =                     c  =
                                                                    381.65                             25.66
                                                                               2
                                                              p-value (30.144) is > c , so data are reproducible
                                                                 Table 3B: Ureteroureteric anastamosis with manipulation
                                                                                   angle 60º
                                                               Sl.     Observed time   Expected time      (O-E) 2
                                                              no. in second (O)  (E)        (O-E) (O-E) 2       E
                                                               1  320           306.6 seconds 13.4  179.56 0.59
                                                               2  310                       3.4   11.56  0.034
                                                               3  315                       8.4   70.56  0.23
                                                               4  298                       – 8.6  73.96  0.24
                                                               5  296                       – 10.6 112.36 0.37
               Fig. 4: the ports positioning for the upper tract tasks    6  306            – 0.60 0.36  0.00
                              on the swine                     7  310                       3.4   11.56  0.038
                                                               8  310                       3.4   11.56  0.038
                                                               9  306                       – 0.6  0.36  0.00
                                                              10  302                       – 4.6  21.16  0.070
                                                               11  315                      8.40  70.56  0.23
                                                              12  299                       – 7.6  57.76  0.19
                                                              13  307                       0.40  0.16   0.00
                                                              14  309                       2.4   5.76   0.019
                                                              15  309                       2.4   5.76   0.019
                                                              16  309                       2.4   5.76   0.019
                                                              17  307                       0.40  0.16   0.00
                                                              18  305                       – 1.60 2.56  0.0083
                                                              19  299                       – 7.6  57.76  0.1884
                                                              20  300                       – 6.6  43.56  0.1421
                                                                                                          2
                                                                  Average time =                         c  =
                                                                  306.60 seconds                         2.43
                                                                             2
                   Graph 2: timing of renal vessels clipping  p-value (30.144) > c , so data are reproducible
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