Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

415 questions · 442 findings · 58 reviews

No studies found 70 · 15.8%GRADE not reported 19 · 4.3%Very low 99 · 22.4%Low 137 · 31%Moderate 86 · 19.5%High 31 · 7%

Corticosteroids vs control

Early all‐cause mortality (≤ 3 months) Reported at: day 14; day 28; day 60; and in hospital · adults with acute respiratory distress syndrome

Corticosteroids showed no clear difference in early all‐cause mortality (≤ 3 months) Reported at: day 14; day 28;… compared with control (low certainty).

1 finding from 1 review

Corticosteroids vs promethazine

Vomiting · Pregnant women with hyperemesis gravidarum

It is very uncertain whether corticosteroids changes episodes of vomiting 48 hours compared with promethazine (very low certainty).

2 findings from 1 review

Corticosteroids vs promethazine

Intervention side effects: drowsiness 48hrs and 3‐10 days · Pregnant women with hyperemesis gravidarum

Corticosteroids showed no clear difference in intervention side effects: drowsiness 48hrs and 3‐10 days compared with promethazine (low certainty).

1 finding from 1 review

Corticosteroids vs placebo

Pregnancy complications · Pregnant women with hyperemesis gravidarum

It is very uncertain whether corticosteroids changes pregnancy complications compared with placebo (very low certainty).

1 finding from 1 review

Corticosteroids vs placebo

Spontaneous abortion · Pregnant women with hyperemesis gravidarum

It is very uncertain whether corticosteroids changes spontaneous abortion compared with placebo (very low certainty).

1 finding from 1 review

Corticosteroids vs placebo

Perinatal mortality · Pregnant women with hyperemesis gravidarum

It is very uncertain whether corticosteroids changes stillbirth and neonatal death compared with placebo (very low certainty).

1 finding from 1 review

Corticosteroids vs placebo

Congenital abnormalities · Pregnant women with hyperemesis gravidarum

It is very uncertain whether corticosteroids changes congenital abnormalities compared with placebo (very low certainty).

1 finding from 1 review