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Table 4 Quality assessment of trials of magnesium sulphate in pregnancies with preeclampsia

From: Impact of interventions to prevent and manage preeclampsia and eclampsia on stillbirths

 

Quality Assessment

Summary of Findings

    

Directness

No of events

 

No of studies (ref)

Design

Limitations

Consistency

Generalizability to population of interest

Generalizability to intervention of interest

Intervention

Control

Relative Risk (95% CI)

Stillbirths: HIGH/MODERATE outcome specific quality

3

RCT

None

Consistent; Low heterogeneity (p=0.34); Results statistically insignificant

2 studies in developing countries

Yes

424

426

0.99 (0.87, 1.12)

Perinatal mortality: HIGH/MODERATE outcome specific quality

2

RCT

None

Consistent; Low heterogeneity (p=0.45); Results statistically insignificant

1 study in developing country

Yes

538

541

0.98 (0.88, 1.10)