Skip to main content

Table 2 Sample mean (and standard deviation) of foetal aortic artery indexes (RI and PI) according to the gestational trimester

From: Foetal aortic flow velocity waveforms in healthy and hypertensive pregnant women

  Trimester
Index 1 2 3
  All (n = 101)
RI 0.829 (0.068) 0.857 (0.035) 0.864 (0.037)
PI 1.850 (0.339) 2.110 (0.242) 2.163 (0.282)
  HT (n = 30)
RI 0.811 (0.055) 0.850 (0.033) 0.864 (0.033)
PI 1.820 (0.334) 2.052 (0.211) 2.075 (0.175)
  NT (n = 71)
RI 0.836 (0.072) 0.859 (0.036) 0.864 (0.039)
PI 1.862 (0.343) 2.134 (0.251) 2.201 (0.311)