Table 2 Force (kg) and time (s) measurements for digital ‘push-up’, Fetal Pillow and Tydeman Tube at mild, moderate and severe levels of fetal head impaction
From: A comparison of technicques to disimpact the fetal head on a second stage caesearean simulator
Device | Force (kg): median (IQR) | Time (s): Median (IQR) | |||
|---|---|---|---|---|---|
Overall | p-value | p-value | |||
Control | Digital | 10.0 (8.0 – 11.5) | 7.0 (5.0 – 11.5) | ||
1 | Tydeman Tube | 13.0 (8.8 – 13) | <0.001 | 6.0 (4.3 – 7.8) | 0.110 |
2 | Fetal Pillow | 8.7 (6.0 – 11.0) | 0.10 | 7.0 (5.0 – 12.0) | 0.619 |
Mild | |||||
Control | Digital | 8.0 (6.0 – 8.0) | 6.0 (4.0 – 9.0) | ||
1 | Tydeman Tube | 8.0 (8.0 – 9.0) | 0.1 | 5.0 (4.0 – 7.0) | 0.529 |
2 | Fetal Pillow | 6.0 (6.0 – 7.0) | 0.20 | 6.0 (4.0 – 7.0) | 0.467 |
Moderate | |||||
Control | Digital | 9.4 (8.7 – 12.0) | 6.5 (9.0 – 8.25) | ||
1 | Tydeman Tube | 13.0 (13.0 – 14.0) | <0.001 | 6.0 (4.5 – 8.0) | 0.575 |
2 | Fetal Pillow | 8.7 (8.7 – 8.7) | 0.128 | 8.0 (5.0 – 11.0) | 0.331 |
Severe | |||||
Control | Digital | 11 (11.0 – 13.0) | 9.0 (6.3 – 15.0) | ||
1 | Tydeman Tube | 15.0 (13.0 – 17.0) | <0.01 | 8.5 (6.3 – 25.0) | 0.03 |
2 | Fetal Pillow | 11.0 (11.0 – 11.0) | 0.28 | 15.0 (6.5 – 22.5) | 0.642 |