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What do systematic reviews say?

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Evidence found and GRADE certainty

1,155 questions · 1,191 findings · 195 reviews · Headline outcomes only

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No studies found 209 · 17.5%GRADE not reported 51 · 4.3%Very low 256 · 21.5%Low 273 · 22.9%Moderate 284 · 23.8%High 118 · 9.9%

Dexamethasone vs betamethasone – child outcomes

Developmental delay –motor (mild, moderate or severe) · women at risk of preterm birth

Dexamethasone showed no clear difference in developmental delay –motor (mild, moderate or severe) compared with betamethasone – child outcomes (moderate certainty).

1 finding from 1 review

Dexamethasone vs betamethasone – child outcomes

Intellectual impairment: developmental delay – cognitive or language (mild, moderate or severe) · women at risk of preterm birth

Dexamethasone showed no clear difference in intellectual impairment: developmental delay – cognitive or language… compared with betamethasone – child outcomes (moderate certainty).

1 finding from 1 review

Summary of findings: Inhaled antibiotics plus IV antibiotics vs IV antibiotics

Adverse events (moderate) · adults and children with cystic fibrosis (during acute exacerbations of lung disease)

It is very uncertain whether summary of findings: Inhaled antibiotics plus IV antibiotics changes adverse events moderate adverse events experienced during and after… compared with IV antibiotics only (very low certainty).

1 finding from 1 review

Dextrose gel vs control

Major neurological disability at 2 years of age (Defined as any of the following: legal blindness, sensorineural deafness requiring hearing aids, moderate or severe cerebral palsy or developmental delay/intellectual impairment (developmental quoti... · newborn infants with hypoglycaemia

Oral dextrose gel showed no clear difference in major neurological disability at age 2 years or olderb Defined as… compared with control (low certainty).

1 finding from 1 review

Summary of findings: unconditional cash transfer vs no unconditional cash transfer: primary outcomes

Is moderately stunted · children (0 to 17 years) and adults (≥ 18 years) or households

It is very uncertain whether summary of findings: unconditional cash transfer changes is moderately stunted compared with no unconditional cash transfer: primary outcomes (very low certainty).

1 finding from 1 review

Laser therapy vs other treatments

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus TAC ‐ mild to moderate pain related to treatment ‐ hypertrophic and keloid scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with other treatments (very low certainty).

1 finding from 1 review

Laser therapy vs other treatments

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus 5‐FU ‐ mild to moderate pain related to treatment ‐ hypertrophic and keloid scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with other treatments (very low certainty).

1 finding from 1 review

Laser therapy vs no treatment

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus no treatment ‐ mild to moderate discomfort or pain related to treatment ‐ hypertrophic and keloid scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with no treatment (very low certainty).

1 finding from 1 review

Laser therapy vs other treatments

Incidence and severity of treatment‐related adverse effects ‐ 585‐nm PDL versus TAC plus 5‐FU ‐ mild to moderate pain related to treatment ‐ hypertrophic and keloid scars ‐ · participants with hypertrophic and keloid scars

It is very uncertain whether laser therapy changes incidence and severity of treatment‐related adverse effects ‐ 585‐nm… compared with other treatments (very low certainty).

1 finding from 1 review

Intervention not reported

Moderate to severe exacerbations ‐ HD‐ICS/LABA vs MD‐ICS/LABA№ of participants: 5452(6 RCTs)

The intervention showed no clear difference in moderate to severe exacerbations ‐ HD‐ICS/LABA vs MD‐ICS/LABA№ of… (high certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs medical treatment

Death or moderate disability (mRS > 3) at 6 to 12 months · malignant cerebral oedema after ischaemic stroke

Summary of findings table ‐ surgical decompression probably leads to lower death or moderate disability (mRS > 3) at 6 to 12 months compared with medical treatment alone (moderate certainty).

1 finding from 1 review