From: Perinatal outcome after vacuum assisted delivery with digital feedback on traction force; a randomised controlled study
Primary outcome (n = 6)
Not primary outcome (n = 236)
p-value
Peak force (N)¹
220 ± 35
183 ± 56
0.11
Total force (N minutes)²
460 (255-833)
182 (14-1565)
<0.01