Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

880 questions · 912 findings · 126 reviews · Headline outcomes only

No studies found 143 · 15.7%GRADE not reported 38 · 4.2%Very low 250 · 27.4%Low 253 · 27.7%Moderate 168 · 18.4%High 60 · 6.6%

160/4.5 mcg BDF single inhaler therapy vs current best practice

Non‐fatal serious adverse events · adults with asthma not well controlled on ICS

160/4.5 mcg BDF single inhaler therapy showed no clear difference in serious adverse events (non‐fatal) compared with current best practice (low certainty).

1 finding from 1 review

160/4.5 mcg BDF single inhaler therapy vs current best practice

Withdrawals due to adverse events · adults with asthma not well controlled on ICS

160/4.5 mcg BDF single inhaler therapy probably leads to higher discontinuation due to adverse events compared with current best practice (moderate certainty).

1 finding from 1 review

Single‐component hydration intervention vs control

Incidence of delirium · people at risk of delirium in institutional long‐term care

It is very uncertain whether single‐component hydration intervention changes incidence of delirium NEECHAM Confusion Scale compared with control (very low certainty).

1 finding from 1 review

Single dose primaquine at 0.4 to 0.5 mg/kg vs no primaquine, with artemisinin partner,

Participants with severe haemolysis · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.4 to 0.5 mg/kg showed no clear difference in participants with severe haemolysis compared with no primaquine, with artemisinin partner, (low certainty).

1 finding from 1 review

Single dose primaquine at 0.4 to 0.5 mg/kg vs no primaquine, with non‐artemisinin partner,

Participants with gametocytes at day 4‐5, by microscopy · adults and children with malaria being treated with non‐artemisinin treatment

Single dose primaquine at 0.4 to 0.5 mg/kg showed no clear difference in participants with gametocytes at day 4‐5, by microscopy compared with no primaquine, with non‐artemisinin partner, (moderate certainty).

1 finding from 1 review

Single dose primaquine at 0.4 to 0.5 mg/kg vs no primaquine, with non‐artemisinin partner,

Participants with gametocytes at day 8, by microscopy · adults and children with malaria being treated with non‐artemisinin treatment

Single dose primaquine at 0.4 to 0.5 mg/kg probably leads to lower participants with gametocytes at day 8, by microscopy compared with no primaquine, with non‐artemisinin partner, (moderate certainty).

1 finding from 1 review

Single dose primaquine at 0.4 to 0.5 mg/kg vs no primaquine, with artemisinin partner,

Participants infectious at day 8 · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.4 to 0.5 mg/kg may leads to lower participants infectious at day 3‐4 compared with no primaquine, with artemisinin partner, (low certainty).

2 findings from 1 review

Single dose primaquine at 0.4 to 0.5 mg/kg vs no primaquine, with artemisinin partner,

Participants with gametocytes at day 3‐4, by PCR · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.4 to 0.5 mg/kg showed no clear difference in participants with gametocytes at day 3‐4, by PCR compared with no primaquine, with artemisinin partner, (moderate certainty).

1 finding from 1 review

Single dose primaquine at 0.4 to 0.5 mg/kg vs no primaquine, with artemisinin partner,

Participants with gametocytes at day 8, by PCR · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.4 to 0.5 mg/kg leads to lower participants with gametocytes at day 8, by PCR compared with no primaquine, with artemisinin partner, (high certainty).

1 finding from 1 review

Single dose primaquine at 0.2 to 0.25 mg/kg vs no primaquine, with artemisinin partner,

Participants infectious at day 8 · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.2 to 0.25 mg/kg may leads to lower participants infectious at day 3‐4 compared with no primaquine, with artemisinin partner, (low certainty).

2 findings from 1 review

Single dose primaquine at 0.2 to 0.25 mg/kg vs no primaquine, with artemisinin partner,

Participants with gametocytes at day 3‐4, by PCR · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.2 to 0.25 mg/kg showed no clear difference in participants with gametocytes at day 3 to 4 by PCR compared with no primaquine, with artemisinin partner, (moderate certainty).

1 finding from 1 review

Single dose primaquine at 0.2 to 0.25 mg/kg vs no primaquine, with artemisinin partner,

Participants with gametocytes at day 8, by PCR · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.2 to 0.25 mg/kg leads to lower participants with gametocytes at day 8 by PCR compared with no primaquine, with artemisinin partner, (high certainty).

1 finding from 1 review

Single dose primaquine at 0.2 to 0.25 mg/kg vs no primaquine, with artemisinin partner,

Participants with severe haemolysis · adults and children with malaria being treated with artemisinin combination treatment

Single dose primaquine at 0.2 to 0.25 mg/kg showed no clear difference in participants with severe haemolysis compared with no primaquine, with artemisinin partner, (moderate certainty).

1 finding from 1 review

Repeated single embryo transfer (mixed policies) vs multiple embryo transfer

Cumulative live birth · transfer following in vitro fertilisation or intracytoplasmic sperm injection

Repeated single embryo transfer (mixed policies) showed no clear difference in cumulative live birth compared with multiple embryo transfer (low certainty).

1 finding from 1 review