Module 8: Scarification - Hook Electrodes
Proficiency = 144.9011 − 0.116 Total time − 0.2142 Total cautery time − 1.2048 No of nonhighlighted bands that were cut − 0.1173 No of movements of right instrument − 0.09 Total path length of left instrument in cm
| Variables Measured and Criterion Percentile Values | |||||
|---|---|---|---|---|---|
| Variable | 10 | 25 | 50 | 75 | 90 |
| Total time | 176.5 | 164 | 154.5 | 149.5 | 145 |
| Time cautery applied with no contact to bands | 10.6 | 7.5 | 5 | 3 | 2.2 |
| Total cautery time | 52.6 | 48.5 | 45 | 42.5 | 41.6 |
| Time cautery applied on nonhighlighted bands | 6.8 | 6 | 6 | 4.5 | 2.8 |
| No of nonhighlighted bands that were cut | 0 | 0 | 0 | 0 | 0 |
| No of movements of right instrument | 106.5 | 102.8 | 87 | 75.75 | 64.5 |
| No of movements of left instrument | 75.5 | 72.75 | 70.5 | 66.75 | 58.5 |
| Total path length of right instrument cm | 346.3 | 275.1 | 202.8 | 197.8 | 175.1 |
| Total path length of left instrument cm | 201.4 | 194.8 | 186.7 | 152.7 | 123.7 |
| Efficiency of cautery | 77.7 | 83.15 | 89.9 | 93.05 | 94.1 |
| No of highlighted bands that were cut | 21 | 21 | 21 | 21 | 21 |
| Accuracy rate highlighted bands | 100 | 100 | 100 | 100 | 100 |
| Ave speed right instrument movement cm sec | 1.92 | 2.05 | 2.2 | 2.3 | 2.38 |
| Ave speed left instrument movement cm sec | 2.02 | 2.15 | 2.2 | 2.5 | 2.54 |
| Proficiency score | 84.49 | 89.10 | 93.62 | 93.81 | 94.05 |
| Means ± Standard Deviations for Each Variable | |||||
| Variable | −1.5 | −1 | 0 | +1 | +1.5 |
| Total time | 135.0 | 142.9 | 158.7 | 174.4 | 182.3 |
| Time cautery applied with no contact to bands | −0.45 | 1.603 | 5.714 | 9.826 | 11.88 |
| Total cautery time | 38.47 | 41.03 | 46.14 | 51.26 | 53.81 |
| Time cautery applied on nonhighlighted bands | 1.853 | 2.95 | 5.143 | 7.336 | 8.432 |
| No of nonhighlighted bands that were cut | 0 | 0 | 0 | 0 | 0 |
| No of movements of right instrument | 55.85 | 65.9 | 86.0 | 106.1 | 116.2 |
| No of movements of left instrument | 54.18 | 58.84 | 68.17 | 77.49 | 82.16 |
| Total path length of right instrument cm | 114.9 | 156.5 | 239.6 | 322.7 | 364.2 |
| Total path length of left instrument cm | 112.0 | 131.5 | 170.6 | 209.7 | 229.2 |
| Efficiency of cautery | 76.19 | 79.98 | 87.56 | 95.14 | 98.93 |
| No of highlighted bands that were cut | 21 | 21 | 21 | 21 | 21 |
| Accuracy rate highlighted bands | 100 | 100 | 100 | 100 | 100 |
| Ave speed of right instrument movement cm sec | 1.828 | 1.943 | 2.171 | 2.4 | 2.515 |
| Ave speed of It instrument movement cm sec | 1.904 | 2.031 | 2.286 | 2.54 | 2.667 |
| Proficiency score | 82.88 | 85.49 | 90.72 | 95.95 | 98.56 |