Table 1: Mean and the standard deviation of each parameter and for each vessel in the group of pregnant women with chronic hypertension.
| Vessel | Chronic hypertension group n = 68 Mean (SD) | Normotensive group n = 223 Mean (SD) | ||||
| PSV (cm/s) | RI | PI | PSV (cm/s) | RI | PI | |
| RCCA | 60.61 (± 20.5) | 1.33 (± 0.66) | 1.86 (± 0.44) | 83.25 (± 14.92) | 0.76 (± 0.06) | 1.95 (± 0.44) |
| LCCA | 56.32 (± 17.48) | 0.72 (± 0.10) | 1.64 (± 0.49) | 83.55 (± 15.27) | 0.75 (± 0.06) | 1.92 (± 0.42) |
| RICA | 56.32 (± 17.48) | 0.72 (± 0.10) | 1.64 (± 0.49) | 52.77 (± 14.09) | 0.60 (± 0.08) | 1.10 (± 0.33) |
| LICA | 38.48 (± 13.57) | 0.72 (± 0.21) | 1.47 (± 0.49) | 53.75 (± 13.86) | 0.58 (± 0.11) | 1.05 (± 0.28) |
| RVA | 29.02 (± 12.49) | 0.63 (± 0.11) | 1.48 (± 1.6) | 39.45 (± 10.07) | 0.65 (± 0.08) | 1.24 (± 0.30) |
RCCA: right common Carotid Artery; LCCA: left common carotid artery; RICA: right internal carotid artery; LICA: left internal carotid artery;
RVA: right vertebral artery; LVA: left vertebral artery; PSV: peak systolic velocity; RI: resistance index; PI: pulsatility index.