表 1. Comparison of the basic data of the two groups.

两组基本情况比较

Characteristic	LOPE group (n=13)	Control group (n=13)	P
1 mmHg=0.133 kPa.
Age/yr.	30.00±3.51	31.15±3.90	0.435
Gestational day at delivery/d	266.90±19.26	258.50±22.15	0.223
Fetal body mass/g	2995.00±531.40	3120.00±413.70	0.510
Systolic blood pressure/mmHg	158.10±9.84	116.80±9.88	0.000
Diastolic blood pressure/mmHg	97.31±9.10	69.54±8.37	0.000
Proteinuria	(−) - (+)	(+) - (++++)	0.007