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Table 1 Elevation (mm) measurements for digital ‘push-up’, Fetal Pillow (FP) and Tydeman Tube (TT) 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 Distance (mm); Median (IQR)
  Overall p-value
Control Digital 10 (10 – 20)
1 Tydeman Tube 30 (20 – 30) <0.001
2 Fetal Pillow 10 (10 – 10) 0.086
   Mild
Control Digital 20 (10 – 20)
1 Tydeman tube 20 (20 – 30) 0.1
2 Fetal Pillow 10 (10 – 15) 0.20
   Moderate
Control Digital 12.5 (10 – 20)
1 Tydeman Tube 30 (30 – 40) <0.001
2 Fetal Pillow 10 (10 – 10) 0.149
   Severe
Control Digital 10 (10 – 20)
1 Tydeman Tube 25 (25 – 30) <0.001
2 Fetal Pillow 10 (10 – 10) 0.44