Table 5 Instructor outcome measures during clinical practice
| Â | Â | Intervention (I) | Control (C) | Test statistic | P-value |
|---|---|---|---|---|---|
1st Patient | Overall success rating > 3 | 37.1% (n = 35) | 48.3% (n = 29) | X2 0.806 | 0.369 |
| Â | Overall success (mean rating) | 3.34 (n = 35) | 3.55 (n = 29) |
-0.21 | 0.168┼ |
| Â | Successful ventilation | 82.9% (n = 35) | 96.6% (n = 29) | Fisher's exact test | 0.116 |
| Â | LMA handling (mean rating) | 3.23 (n = 35) | 3.40 (n = 30) |
-0.17 | 0.168┼ |
|  | Time to task ≤ 40 sec | 74.3% (n = 35) | 72.4% (n = 29) | X2 0.028 | 0.866 |
| Â | Success at 1st attempt | 66.7% (n = 33) | 74.1% (n = 27) | X2 0.388 | 0.533 |
4th Patient | Overall success rating > 3 | 58.8% (n = 34) | 63.6% (n = 33) | X2 0.163 | 0.686 |
| Â | Overall success (mean rating) | 3.68 (n = 34) | 3.70 (n = 33) |
0.02 | 0.500┼ |
| Â | Successful ventilation | 85.7% (n = 35) | 93.9% (n = 33) | Fisher's exact test | 0.429 |
| Â | LMA handling (mean rating) | 3.65 (n = 34) | 3.73 (n = 33) |
-0.08 | 0.399┼ |
|  | Time to task ≤ 40 sec | 85.7% (n = 35) | 84.4% (n = 32) | X2 0.024 | 0.878 |
| Â | Success at 1st attempt | 79.3% (n = 29) | 84.8% (n = 33) | X2 0.324 | 0.569 |
-
*- *
-
= difference between means - ┼ P-value obtained using Fisher's randomisation t-test