Anti-hypertensive therapy for preeclampsia: a network meta-analysis and systematic review

Figures & data

Figure 1. Flow diagram of the study selection process.

Table 1. Characteristics of included RCT studies.

ID	author	Country	publication year	recruitment year	total number	randomization	blinding	withdrawl and dropouts	GRADE
1	J. MOODLEY	South Africa	1992	NR	47	NR	YES	0	Moderate quality
2	Sven Montan	Singapore	1996	NR	21	NR	YES	0	Moderate quality
3	Antoinette C. Bolte	Netherlands	1999	NR	44	NR	YES	0	Moderate quality
4	S. Elatrous	Tunisia	2002	1995–1996	60	NR	YES	0	Moderate quality
5	Lidwien M. Hanff	Austria	2005	2002–2004	54	NR	YES	0	Moderate quality
6	Sebastiaan W. Nij Bijvank	Netherlands	2015	2002–2005	30	randomization codes	YES	0	High quality
7	Thomas Easterling	USA	2019	NR	894	sequentially numbered envelopes were used	YES	0	High quality
8	Gilberto Arias-Hern´andez	Mexico	2020	NR	42	random-numbers table and central allocation	YES	0	Moderate quality

RCT: randomized controlled trial; NR: none report.

Figure 2. Bias risk assessment of the RCTs.

Figure 3. (a) Network plot of eligible comparisons between different strategies. (b) Direct meta-analysis results. Interventions. (c) Network meta-analysis results. Interventions.

Figure 4. (a) Contribution of DMA and NMA. Interventions.(b) The surface under the cumulative ranking curve (SUCRA). (c) Comparison-adjusted funnel plot (points with different colors represent different interventions). (d) Loop-consistency plot.

Data availability statement

Further inquiries can be directed to the corresponding author/s.