Table 2.

Comparison of adverse maternal complications

	Non-PE	PE	p value	Subgroupsb			p value
				A	B	C
Numbera	54	275		53	64	53
Mode of delivery
Spontaneously (%)	38 (70.4)	24 (8.7)	<  0.001	6 (11.3)	1 (1.7)	1 (5.7)	0.038
Caesarean section (%)	14 (25.9)	232 (84.4)		46 (86.8)	59 (92.2)	42 (79.2)
Adverse maternal outcomes (%)	2 (3.7)	92 (33.5)	<  0.001	11 (21)	21 (32.8)	26 (49.1)	0.009
Retinal disease (%)	0	19 (6.9)	0.047	1 (1.9)	2 (3.1)	3 (5.7)	0.561
Hypoproteinemia (%)	1 (1.9)	44 (16)	0.006	3 (5.7)	8 (12.5)	19 (35.8)	< 0.001
Organ dysfunctionc (%)	0	20 (7.3)	0.041	3 (5.7)	0	7 (13.2)	0.010
Placental abruption (%)	0	10 (3.6)	0.155	1 (1.9)	3 (4.7)	1 (1.9)	0.578
Oligohydramnios (%)	0	29 (10.6)	0.012	6 (11.3)	8 (12.5)	3(11.3)	0.437
Effusiond (%)	0	2 (0.7)	0.53	0	0	1 (1.9)	0.329
Eclampsia (%)	0	1 (0.4)	0.657	0	0	0	–
Postpartum hemorrhage (%)	2 (3.7)	3 (1)	0.151	0	1 (1.7)	0	0.435
DIC (%)	0	2 (0.7)	0.53	0	0	0	–
Hemorrhagic anemia (%)	1 (1.9)	6 (2.2)	0.878	0	0	1 (1.9)	0.329
Maternal death (%)	0	1 (0.4)	0.657	0	0	0	–

Number^a: The number of multiple adverse pregnancy outcomes was counted according to the types of adverse pregnancy outcomes

Subgroups^b: A: 24-h urinary protein < 0.3 g; B:24-h urinary protein 0.3 ~ 2 g; C:24-h urinary protein ≧ 2 g

Organ dysfunction^c: renal dysfunction, hepatic dysfunction or cardiac insufficiency

Effusion^d: including pleural or peritoneal effusion or pericardial effusion