Uterine artery Doppler at 11-14 weeks of gestation in the prediction of preeclampsia: An observational study

Table 3 Timing and severity of preeclampsia in relation to uterine artery Doppler findings (n = 42), mean ± SD/n (%)

Parameter	Early-onset severe PE (n = 11)	Early-onset mild PE (n = 7)	Late-onset severe PE (n = 13)	Late-onset mild PE (n = 11)
Total PE cases (%)	26.2	16.7	31.0	26.2
Uterine artery PI	2.03 ± 0.01	1.97 ± 0.01	1.94 ± 0.02	1.91 ± 0.04
Bilateral notching	9 (81.8)	5 (71.4)	8 (61.5)	4 (36.4)
GA at diagnosis (weeks)	29.3 ± 1.4	30.9 ± 1.0	35.8 ± 0.9	36.4 ± 1.1
P value	< 0.001

PE: Pre-eclampsia; PI: Pulsatility index; GA: Gestational age.