Page 36 - WJOLS

Bashir Yunusa et al

Table 4A: Timing for ring transfer in pelvis with manipulation Table 4B: Time for ring transfer in pelvis with manipulation
angle 30° angle 60º
Sl. Observed time Expected (O-E) 2 Sl. Observed time Expected (O-E) 2
no. in sec. (O) time (E) O-E (O-E) 2 E no. in sec. (O) time (E) O-E (O-E) 2 E
1 27 33.2 6.2 38.44 1.16 1 15 20.1 – 5.1 26.01 1.29
2 41 7.8 60.84 1.83 2 19 – 1.1 1.21 0.06
3 35 1.8 3.24 0.10 3 24 3.9 15.21 0.76
4 20 – 13.2 174.24 5.25 4 22 1.9 3.61 0.18
5 38 4.8 23.04 0.69 5 22 1.9 3.61 0.18
6 62 28.8 829.44 24.98 6 25 4.9 24.01 1.20
7 48 14.8 219.04 6.60 7 24 3.9 15.21 0.76
8 34 0.8 0.64 0.02 8 22 1.9 3.61 0.18
9 48 14.8 219.04 6.60 9 19 – 1.1 1.21 0.06
10 31 – 2.2 4.84 0.15 10 16 – 4.1 16.8 0.84
11 30 – 3.2 10.24 0.31 11 17 – 3.1 9.61 0.48
12 27 – 6.2 38.44 1.16 12 19 – 1.1 1.21 0.06
13 38 4.8 23.04 0.69 13 21 0.9 0.81 0.00
14 31 – 2.2 4.84 0.15 14 17 – 3.1 9.6 0.48
15 39 5.8 33.64 1.01 15 21 0.9 0.81 0.00
16 32 1.2 1.44 0.04 16 25 4.9 24.01 1.19
17 42 8.8 77.44 2.33 17 20 – 0.1 0.01 0.00
18 35 1.8 3.24 0.10 18 20 – 0.1 0.01 0.00
19 25 – 8.2 67.24 2.03 19 15 – 5.1 26.01 1.29
20 40 6.8 46.24 1.39 20 19 1.1 1.21 0.06
2
2
Average time = c = Average time = c = 8.64
33.2 56.57 20.1
2
2
p-value (30.144) < c , so data are not reproducible p-value (30.144) > c , so data are reproducible
Table 4C: Timing for ring transfer in pelvis with manipulation Table 4D: Average timing of ring transfer in the pelvis
angle 90º
Manipulation angle in degrees 30 60 90
Sl. Observed time Expected (O-E) 2 Mean timing in seconds 33.20 20.10 72.35
no. in sec. (O) time (E) O-E (O-E) 2 E c 2 56.57 8.64 44.33
1 90 72.35 17.65 311.52 4.31
2 82 9.65 93.12 1.29
3 85 12.65 160.02 2.21
4 75 2.65 7.02 0.10
5 54 18.35 336.72 4.65
6 60 – 12.35 152.52 2.11
7 96 23.65 559.32 7.73
8 59 – 13.35 178.22 2.46
9 74 1.65 2.72 0.04
10 49 – 23.35 545.22 7.54
11 56 – 16.35 267.32 3.70
12 69 – 3.35 11.22 1.16
13 86 13.65 186.32 2.58
14 87 14.65 214.62 2.97
15 67 – 535 28.62 0.40
16 63 – 9.35 87.42 1.20
17 68 – 4.35 18.92 0.26
18 79 6.65 44.22 0.61
19 73 0.65 0.42 0.01 Fig. 8: estimation of manipulation angles determining ports’
20 74 1.65 2.72 0.04 positions on the dry lab anterior abdominal wall
2
Average time = c = 44.33
72.35 seconds and average obtained (Figs 6 to 9). The average timing in
p-value (30.144), data are not reproducible seconds for 30, 60 and 90º were 33.20, 20.10 and 72.35
Fourth: Tables 4A to D showed readings of timing taken for respectively. Here, only the readings at 60º manipulation
ring transfer in the pelvic region of the dummies at diffe­ angle were reproducible at p­value (30.144), 5% level of
2
rent manipulation angles, which were validated by χ test significance: which further support any port position that
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