Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,805 questions · 2,912 findings · 307 reviews · Headline outcomes only

No studies found 706 · 24.2%GRADE not reported 133 · 4.6%Very low 786 · 27%Low 696 · 23.9%Moderate 474 · 16.3%High 117 · 4%

Viral influenza vaccine vs control

Any respiratory illness in women · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in any respiratory illness in women compared with control (high certainty).

1 finding from 1 review

Viral influenza vaccine vs control

Any respiratory illness in infants · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in any respiratory illness in infants compared with control (high certainty).

1 finding from 1 review

Viral influenza vaccine vs control

Maternal hospitalisation for any infection · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in maternal hospitalisation for any infection compared with control (moderate certainty).

1 finding from 1 review

Viral influenza vaccine vs control

Neonatal hospitalisation due to sepsis within 28 days of birth · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in neonatal hospitalisation due to sepsis within 28 days of birth compared with control (moderate certainty).

1 finding from 1 review

Antihypertensive drug class vs placebo

Angiotensin receptor blocker (any dose) Mean duration of 4 weeks · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
2 findings from 1 review

Intervention not reported

Angiotensin receptor blocker (high‐ versus medium‐dose) · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

Angiotensin receptor blocker (medium‐ versus low‐dose) · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High‐ versus low‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High‐ versus medium‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

Medium‐ versus low‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

Angiotensin‐converting enzyme inhibitor · children (from 1 to 18 years of age) with hypertension from primary or secondary causes

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

High‐ versus low‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High‐ versus medium‐ dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

Medium‐ versus low‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High‐ versus low‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Antihypertensive drug class vs placebo

Beta‐blocker (any dose) Mean duration of 4 weeks · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
2 findings from 1 review

Intervention not reported

High‐ versus medium‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

Medium‐ versus low‐dose · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High vs low dose Systolic blood pressure · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review

Intervention not reported

High vs low dose Diastolic blood pressure · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
1 finding from 1 review