Phase | 1a | 1b | 2 | 3a | 3b | 4 | Total |
Lumbar puncture | 44.5 | 41.9 | 44.2 | 43.6 | 45.6 | 41.2 | 41.2 |
Venous cannulation | 38.9 | 48.9 | 40.4 | 35.9 | 42.1 | 47.7 | 42.8 |
Dressing | 60.0 | 59.3 | 42.0 | 60.0 | 39.0 | 62.3 | 59.8 |
Bone marrow aspiration | 44.9 | 38.6 | 51.3 | 44.4 | 57.3 | 37.4 | 44.2 |
p value | 0.205 | 0.193 | 0.213 | 0.099 | 0.024 | 0.021 | 0.186 |
p < 0.05.