Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,315 questions · 23,557 findings · 2,311 reviews

No studies found 4,183 · 17.8%GRADE not reported 3,930 · 16.7%Very low 5,371 · 22.8%Low 5,787 · 24.6%Moderate 3,320 · 14.1%High 966 · 4.1%

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Non‐pyrethroid‐like indoor residual spraying (IRS) plus insecticide‐treated nets (ITNs) vs ITNs alone

Anaemia prevalence · people at risk of malaria

Non‐pyrethroid‐like indoor residual spraying (IRS) plus… showed no clear difference in anaemia prevalence compared with ITNs alone (low certainty).

1 finding from 1 review

Pyrethroid‐like indoor residual spraying (IRS) + insecticide‐treated nets (ITNs) vs ITNs alone

Malaria parasite prevalence · people at risk of malaria

Pyrethroid‐like indoor residual spraying (IRS) + insecticide‐treated… showed no clear difference in malaria parasite prevalence compared with ITNs alone (moderate certainty).

1 finding from 1 review

Pyrethroid‐like indoor residual spraying (IRS) + insecticide‐treated nets (ITNs) vs ITNs alone

Anaemia prevalence (haemoglobin < 8 g/dL) · people at risk of malaria

Pyrethroid‐like indoor residual spraying (IRS) + insecticide‐treated… showed no clear difference in anaemia prevalence (haemoglobin < 8 g/dL) compared with ITNs alone (low certainty).

1 finding from 1 review

Intervention not reported

Malaria parasite prevalence · children and adults at risk of malaria

The intervention probably leads to lower malaria parasite prevalence (moderate certainty).

1 finding from 1 review

Intervention not reported

Anaemia prevalence · children and adults at risk of malaria

The intervention leads to lower anaemia prevalence (high certainty).

1 finding from 1 review