evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

4,410 questions · 8,901 findings · 1,091 reviews

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 1,687 · 19%GRADE not reported 1,469 · 16.5%Very low 1,969 · 22.1%Low 2,060 · 23.1%Moderate 1,302 · 14.6%High 414 · 4.7%

Ranked among the 5,000 newest matching findings; add words or filters to narrow the search.

Lower lingual arch vs No active treatment (control)

Lower incisors to mandible (position, mm) at 9 months · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lingual arch led to higher lower incisors to mandible at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Lower lingual arch vs No active treatment (control)

Lower molars to mandible (relationship of lower back teeth to the mandible) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Lower lingual arch led to lower lower molars to mandible at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Low‐frequency electroacupuncture vs physical exercise or no intervention

Restored regular menstrual period · polycystic ovarian syndrome

It is very uncertain whether low‐frequency electroacupuncture changes restored regular menstrual period – low‐frequency electroacupuncture… compared with physical exercise or no intervention (very low certainty).

2 findings from 1 review

Anticipated low‐responders: higher vs lower dose of FSH

300/450 IU vs 150 IU · women undergoing IVF/ICSI who are anticipated to have a low‐response to stimulation based on one or more ORT measure

Anticipated low responders: higher showed no clear difference in 300/450 IU vs 150 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated low‐responders: higher vs lower dose of FSH

400/450 IU vs 300 IU · women undergoing IVF/ICSI who are anticipated to have a low‐response to stimulation based on one or more ORT measure

Anticipated low responders: higher showed no clear difference in 400/450 IU vs 300 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Anticipated low‐responders: higher vs lower dose of FSH

IU vs 450 IU · women undergoing IVF/ICSI who are anticipated to have a low‐response to stimulation based on one or more ORT measure

Anticipated low responders: higher showed no clear difference in IU vs 450 IU compared with lower dose of FSH (low certainty).

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Lower incisor inclination (lingual tipping and retrusion) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Extraction of lower deciduous canines showed no clear difference in lower incisors to mandible (inclination, degrees) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Amount of crowding · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether extraction of lower deciduous canines changes amount of crowding (lower incisor crowding, change) at 1-2 years compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Extraction of lower deciduous canines vs No active treatment (control)

Size of the lower jaw (arch length, change) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Extraction of lower deciduous canines led to lower size of the lower jaw (arch length, change) at 1 year compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Treatment of eclampsia: lower‐dose regimens vs standard‐dose strategies

Death of the baby before discharge: perinatal death · women with eclampsia

It is very uncertain whether treatment of eclampsia: lower‐dose regimens changes death of the baby before discharge: perinatal death: lower dose… compared with standard‐dose regimens (very low certainty).

1 finding from 1 review

Treatment of eclampsia: lower‐dose regimens vs standard‐dose strategies

Recurrence of convulsions · women with eclampsia

It is very uncertain whether treatment of eclampsia: lower‐dose regimens changes recurrence of convulsions: lower dose versus Pritchard regimen compared with standard‐dose regimens (very low certainty).

1 finding from 1 review

Treatment of eclampsia: lower‐dose regimens vs standard‐dose strategies

Severe morbidity (renal failure): lower dose versus Pritchard regimen · women with eclampsia

It is very uncertain whether treatment of eclampsia: lower‐dose regimens changes severe morbidity (renal failure): lower dose versus Pritchard regimen compared with standard‐dose regimens (very low certainty).

1 finding from 1 review

Upper clear plastic retainer + lower fixed canine-to-canine retainer vs Positioner

Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment

Upper clear plastic retainer + lower fixed canine-to-canine retainer led to lower stability: Little's Irregularity Index (lower arch) compared with positioner; GRADE not reported.

1 finding from 1 review

Upper clear plastic retainer + lower interproximal reduction (adjunctive) vs Positioner

Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment

Upper clear plastic retainer + lower interproximal reduction… led to lower stability: Little's Irregularity Index (lower arch) compared with positioner; GRADE not reported.

1 finding from 1 review