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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.

Limit to evidence status or GRADE (optional)

15,213 questions in 2,394 reviews

current versions
No studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
IVIg vs SCIg
Adverse events · people with multifocal motor neuropathy
Immunoglobulin for multifocal motor neuropathy (2022) · Cochrane
no estimate extractedNRNo studies
IVIg vs placebo
Proportion of participants with an improvement in disability at 12 months or later · people with multifocal motor neuropathy
Immunoglobulin for multifocal motor neuropathy (2022) · Cochrane
no estimate extractedNRNo studies
IVIg vs placebo
Maintenance · people with multifocal motor neuropathy
Immunoglobulin for multifocal motor neuropathy (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Primary outcomes · patients with stroke
Antiepileptic drugs for the primary and secondary prevention of seizures after stroke (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Secondary seizure prophylaxis after stroke · patients with stroke
Antiepileptic drugs for the primary and secondary prevention of seizures after stroke (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Secondary outcomes · patients with stroke
Antiepileptic drugs for the primary and secondary prevention of seizures after stroke (2022) · Cochrane
no estimate extractedNRNo studies
Homeopathic medicinal products vs placebo or usual care
Recurrence of ARTI · children aged up to 16 years with ARTIs
Homeopathic medicinal products for preventing and treating acute respiratory tract infections in children (2022) · Cochrane
no estimate extractedNRNo studies
Homeopathic medicinal products vs placebo or usual care
Days off work for parents · children aged up to 16 years with ARTIs
Homeopathic medicinal products for preventing and treating acute respiratory tract infections in children (2022) · Cochrane
no estimate extractedNRNo studies
Homeopathic medicinal products vs placebo or usual care
Need for antibiotics · children aged up to 16 years with ARTIs
Homeopathic medicinal products for preventing and treating acute respiratory tract infections in children (2022) · Cochrane
no estimate extractedNRNo studies
Homeopathic medicinal products (non‐individualised treatment) vs placebo or usual care
Disease severity · children aged up to 16 years with ARTIs
Homeopathic medicinal products for preventing and treating acute respiratory tract infections in children (2022) · Cochrane
no estimate extractedNRNo studies
Homeopathic medicinal products (non‐individualised treatment) vs placebo or usual care
Days off work for parents · children aged up to 16 years with ARTIs
Homeopathic medicinal products for preventing and treating acute respiratory tract infections in children (2022) · Cochrane
no estimate extractedNRNo studies
Homeopathic medicinal products (non‐individualised treatment) vs placebo or usual care
Need for antibiotics · children aged up to 16 years with ARTIs
Homeopathic medicinal products for preventing and treating acute respiratory tract infections in children (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)
Interventions versus comparisons
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Ulipristal acetate vs placebo
Interventions vs comparisons
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Mefanamic acid vs Vitex agnus
Interventions vs comparisons
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Mefanamic acid vs Vitex agnus
Menstrual blood loss PBAC score
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Naproxen vs placebo
Naproxen vs placebo
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (ibuprofen, tolfenamic acid, aspirin, tranexamic acid) vs placebo or active comparators (paracetamol, tranexamic acid)
Ibuprofen vs placebo
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (ibuprofen, tolfenamic acid, aspirin, tranexamic acid) vs placebo or active comparators (paracetamol, tranexamic acid)
Aspirin vs paracetamol
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (ibuprofen, tolfenamic acid, aspirin, tranexamic acid) vs placebo or active comparators (paracetamol, tranexamic acid)
Adverse events or side effects
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (ibuprofen, tolfenamic acid, aspirin, tranexamic acid) vs placebo or active comparators (paracetamol, tranexamic acid)
Menstrual blood loss % occurrence of heavy menstrual bleeding (alkaline hematin method)
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (ibuprofen, tolfenamic acid, aspirin, tranexamic acid) vs placebo or active comparators (paracetamol, tranexamic acid)
Menstrual blood loss % occurrence heavy menstrual bleeding (PBAC score)
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events or side effects
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Menstrual blood loss
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mifepristone vs vitamin B
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Naproxen vs estradiol
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (vitamin B1, mefenamic acid, tranexamic acid) vs placebo or active comparators (desmopressin, sodium diclofenac, flavonoids)
Adverse events or side effects
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Interventions (ibuprofen, tolfenamic acid) vs placebo
Ibuprofen vs placebo
Interventions to prevent or treat heavy menstrual bleeding or pain associated with intrauterine‐device use (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Quality of life · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Treatment success · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Adverse events · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Serious adverse events · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Function or disability · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Quality of life · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Treatment success · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Customised foot orthoses vs shoes
Function or disability · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Adverse events · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Serious adverse events · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs shoes
Adverse events · children with juvenile idiopathic arthritis (JIA) and flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs shoes
Serious adverse events · children with juvenile idiopathic arthritis (JIA) and flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Customised foot orthoses vs shoes
Quality of life · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Adverse events · children with juvenile idiopathic arthritis and flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Serious adverse events · children with juvenile idiopathic arthritis and flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Customised foot orthoses vs shoes
Treatment success · children with asymptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Adverse effects · children with juvenile idiopathic arthritis and flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Custom foot orthoses vs prefabricated foot orthoses
Serious adverse events · children with juvenile idiopathic arthritis and flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Pain · children with symptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Treatment success · children with symptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Withdrawal due to adverse events · children with symptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies
Prefabricated foot orthoses vs shoes
Adverse effects · children with symptomatic flat feet
Foot orthoses for treating paediatric flat feet (2022) · Cochrane
no estimate extractedNRNo studies