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

Table 1 Baseline characteristics of patients, mean ± SD/n (%)

Baseline characteristic	Pre-eclampsia group (n = 42)	Normal group (n = 300)	P value
Age (years)	31.0 ± 5	30.0 ± 5	0.23
Range	28-38	20-40
BMI (kg/m2)	24.29 ± 1.59	23.09 ± 1.87	0.15
GA at enrollment (weeks)	11.43 ± 0.65	11.66 ± 0.67	0.08
Parity
Nulliparous	18 (42.9)	180 (60.0)	0.0751
Primiparous	16 (38.1)	70 (23.3)
Multiparous	8 (19.0)	50 (16.7)
MAP (mmHg)	94.1 ± 14.3	87.9 ± 6.5	0.008a
Range	78-125	77-118

^aP < 0.05.

BMI: Body mass index; GA: Gestational age; MAP: Mean arterial pressure.