Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,087 questions · 2,360 findings · 390 reviews

No studies found 224 · 9.5%GRADE not reported 603 · 25.6%Very low 555 · 23.5%Low 548 · 23.2%Moderate 312 · 13.2%High 118 · 5%

Planned early birth vs expectant management

Maternal infectious morbidity (chorioamnionitis and/or endometritis) · women with prelabour rupture of membranes at term (37 weeks' gestation or later)

Planned early birth may leads to lower maternal infectious morbidity (chorioamnionitis and/or endometritis) compared with expectant management (low certainty).

1 finding from 1 review

Planned early birth vs expectant management

Perinatal mortality · women with prelabour rupture of membranes at term (37 weeks' gestation or later)

Planned early birth showed no clear difference in perinatal mortality (stillbirth or neonatal mortality) compared with expectant management (moderate certainty).

1 finding from 1 review

38% SDF solution (applied biannually) vs 38% SDF solution (applied annually)

Caries arrest · Children with dentine carious lesions (ICDAS 4-5) in primary teeth

Twice-yearly 38% SDF was reported to arrest more caries than once-yearly application (24-month rates 91% vs 79%; ungraded).

1 finding from 1 review

Very early treatment vs expectant management

Severe intraventricular hemorrhage in infants who received neuroimaging · preterm infants

Very early treatment showed no clear difference in severe Intraventricular hemorrhage (grades III and IV) compared with expectant management (moderate certainty).

1 finding from 1 review

Very early treatment vs expectant management

Neurodevelopmental outcomes (moderate/severe cognitive delay at 18 to 24 months) · preterm infants

Very early treatment showed no clear difference in neurodevelopmental outcomes (moderate/severe cognitive delay at 18… compared with expectant management (low certainty).

1 finding from 1 review

Very early treatment vs expectant management

Neurodevelopmental outcomes (moderate/severe motor delay at 18 to 24 months) · preterm infants

Very early treatment showed no clear difference in neurodevelopmental outcomes (moderate/severe motor delay at 18 to 24… compared with expectant management (low certainty).

1 finding from 1 review

Very early treatment vs expectant management

Neurodevelopmental outcomes (moderate/severe language delay at 18 to 24 months) · preterm infants

Very early treatment showed no clear difference in neurodevelopmental outcomes (moderate/severe language delay at 18 to… compared with expectant management (low certainty).

1 finding from 1 review

Very early treatment vs expectant management

Proportion of infants requiring surgical PDA ligation or transcatheter occlusion · preterm infants

Very early treatment showed no clear difference in proportion of infants requiring surgical PDA ligation or… compared with expectant management (moderate certainty).

1 finding from 1 review

Very early treatment vs expectant management

Proportion of infants receiving any pharmacotherapy for a hemodynamically significant PDA · preterm infants

It is very uncertain whether very early treatment changes proportion of infants receiving any pharmacotherapy for a… compared with expectant management (very low certainty).

1 finding from 1 review

Early treatment (two-phase) with headgear vs Early treatment (two-phase) with functional appliance

Incidence of incisal trauma · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear showed no clear difference in incidence of incisal trauma compared with early treatment (two-phase) with functional appliance; GRADE not reported.

2 findings from 1 review

Early treatment (two-phase) with headgear vs Early treatment (two-phase) with functional appliance

Final ANB · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear showed no clear difference in final ANB compared with early treatment (two-phase) with functional appliance; GRADE not reported.

2 findings from 1 review

Early treatment (two-phase) with headgear vs Early treatment (two-phase) with functional appliance

PAR score · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear showed no clear difference in PAR score compared with early treatment (two-phase) with functional appliance; GRADE not reported.

1 finding from 1 review

Early treatment (two-phase) with headgear vs Early treatment (two-phase) with functional appliance

Final overjet · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear showed no clear difference in final overjet compared with early treatment (two-phase) with functional appliance; GRADE not reported.

2 findings from 1 review

Planned early birth vs expectant management

Maternal mortality or morbidity · pregnant women with hypertensive disorders from 34 weeks' gestation to term

Planned early delivery leads to lower composite maternal mortality and morbidity compared with expectant management (high certainty).

1 finding from 1 review