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) |