表 2. Maternal outcomes.

产妇结局

Maternal outcome	Group△	Dose of NE/(μg/[kg·min]), n=20					P
		0.025	0.05	0.075	0.10	0.125
△1: Singleton pregnancy; 2: Twin pregnancy.
Hypotension/case (%)	1	10 (50)	7 (35)	4 (20)	2 (10)	1 (5)	<0.01
	2	12 (60)	4 (20)	4 (20)	2 (10)	1 (5)	<0.01
Reactive hypertension/case (%)	1	0 (0)	0 (0)	2 (10)	2 (10)	9 (45)	<0.01
	2	2 (10)	2 (10)	1 (5)	5 (25)	7 (35)	<0.01
Bradycardia/case (%)	1	0 (0)	0 (0)	0 (0)	1 (5)	0 (0)	0.48
	2	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	−
Nausea or vomiting/case (%)	1	1 (5)	1 (5)	3 (15)	2 (10)	1 (5)	0.80
	2	1 (5)	1 (5)	1 (5)	0 (0)	0 (0)	0.22
Dizziness/case (%)	1	2 (10)	1 (5)	1 (5)	0 (0)	0 (0)	0.07
	2	1 (5)	1 (5)	0 (0)	0 (0)	0 (0)	0.13
Physician intervention needed/case (%)	1	10 (50)	7 (35)	6 (30)	4 (20)	10 (50)	0.66
	2	14 (70)	6 (30)	5 (25)	7 (35)	8 (40)	0.11
Rescue vasopressor bolus/case (%)	1	10 (50)	7 (35)	4 (20)	2 (10)	1 (5)	<0.01
	2	12 (60)	4 (20)	4 (20)	2 (10)	1 (5)	<0.01
Atropine rescue bolus/case (%)	1	0 (0)	0 (0)	0 (0)	1 (5)	0 (0)	0.48
	2	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	−
Intravenous fluid /mL, median (P25-P75)	1	534.6 (420.0-595.8)	537.6 (492.5-609.8)	517.8 (467.5-589.0)	559.9 (460.6-550.5)	521.1 (495.5-598.3)	0.44
	2	587.0 (454.9-709.0)	572.5 (461.5-659.0)	556.6 (444.8-666.5)	625.6 (517.5-728.0)	585.8 (452.3-662.0)	0.74