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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. Words match anywhere in the field.

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
Sleeping in darkness vs no treatment
Serious adverse events · Ménière’s disease
Lifestyle and dietary interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Specially processed cereals vs placebo
Improvement in vertigo · Ménière’s disease
Lifestyle and dietary interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Specially processed cereals vs placebo
Change in vertigo · Ménière’s disease
Lifestyle and dietary interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Specially processed cereals vs placebo
Serious adverse events · Ménière’s disease
Lifestyle and dietary interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Intratympanic gentamicin vs no treatment/placebo
Serious adverse events · Ménière’s disease
Intratympanic gentamicin for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Positive pressure therapy vs placebo
Serious adverse events · adults with Ménière’s disease
Positive pressure therapy for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Ventilation tubes vs no treatment
Change in frequency of vertigo · Ménière’s disease
Surgical interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Ventilation tubes vs no treatment
Serious adverse events · Ménière’s disease
Surgical interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Endolymphatic sac decompression vs placebo (sham surgery)
Serious adverse events · adults with Ménière’s disease
Surgical interventions for Ménière’s disease (2023) · Cochrane
no estimate extractedNRNo studies
Adenoidectomy and unilateral ventilation tube vs unilateral ventilation tube only
Disease‐specific quality of life · children aged 6 months to 12 years with otitis media with effusion (OME)
Adenoidectomy for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Adenoidectomy and unilateral ventilation tube vs unilateral ventilation tube only
Adverse event: haemorrhage · children aged 6 months to 12 years with otitis media with effusion (OME)
Adenoidectomy for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Adenoidectomy and ventilation tubes vs no treatment/watchful waiting
Disease‐specific quality of life · children aged 6 months to 12 years with otitis media with effusion (OME)
Adenoidectomy for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Adenoidectomy (with or without myringotomy) vs no treatment/watchful waiting
Disease‐specific quality of life · children aged 6 months to 12 years with otitis media with effusion (OME)
Adenoidectomy for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Adenoidectomy and bilateral ventilation tubes vs bilateral ventilation tubes only
Disease‐specific quality of life · children aged 6 months to 12 years with otitis media with effusion (OME)
Adenoidectomy for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Antibiotics vs placebo
Disease‐specific quality of life · children (aged 6 months to 12 years) with otitis media with effusion (OME)
Antibiotics for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Antibiotics vs no treatment
Disease‐specific quality of life · children (aged 6 months to 12 years) with otitis media with effusion (OME)
Antibiotics for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Topical (intranasal) steroids vs no treatment
Disease‐specific quality of life · children aged 6 months to 12 years with otitis media with effusion (OME)
Topical and oral steroids for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Topical (intranasal) steroids vs no treatment
Adverse event: systemic corticosteroid side effects · children aged 6 months to 12 years with otitis media with effusion (OME)
Topical and oral steroids for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Oral steroids vs no treatment
Hearing · children aged 6 months to 12 years with otitis media with effusion (OME)
Topical and oral steroids for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Oral steroids vs no treatment
Disease‐specific quality of life · children aged 6 months to 12 years with otitis media with effusion (OME)
Topical and oral steroids for otitis media with effusion (OME) in children (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Deterioration to severe wasting · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Appropriate identification of children with wasting · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Appropriate identification of children with oedema · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Appropriate referral of children with moderate or severe wasting · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Treatment coverage · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Caregiver adherence to care plans · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects and other harms · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Sustained recovery · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Relapse · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Deterioration to severe wasting · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Appropriate identification of children with wasting · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Appropriate identification of children with oedema · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Appropriate referral of children with moderate or severe wasting · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Caregiver adherence to care plans · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects and other harms · children aged > 6 months and < 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Sustained recovery · children aged > 6 months and ≤ 5 years with wasting
Lay health workers in primary and community health care for maternal and child health: identification and… (2023) · Cochrane
no estimate extractedNRNo studies
Dietary intervention (probiotics) vs placebo
Improvement in vertigo · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Vestibular rehabilitation vs no treatment
Serious adverse effects · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Dietary intervention (probiotics) vs placebo
Serious adverse events · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Cognitive behavioural therapy (CBT) vs no treatment
Improvement in vertigo · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Cognitive behavioural therapy (CBT) vs no treatment
Serious adverse events · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Vestibular rehabilitation vs no treatment
Improvement in vertigo · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Triptans vs placebo
Change in vertigo · adults with acute attacks of vestibular migraine
Pharmacological interventions for acute attacks of vestibular migraine (2023) · Cochrane
no estimate extractedNRNo studies
Transcranial direct current stimulation vs placebo
Improvement in vertigo at 3 to ≤ 6 months · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies
Vestibular rehabilitation vs placebo or no treatment
Serious adverse events · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies
Vestibular rehabilitation vs placebo or no treatment
CI: confidence interval · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies
Transcranial direct current stimulation vs placebo
Change in vertigo at 3 to ≤ 6 months · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies
Talking therapies or stress management vs placebo or no treatment
Improvement in vertigo at 3 to ≤ 6 months · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies
Talking therapies or stress management vs placebo or no treatment
Change in vertigo at 3 to ≤ 6 months · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies
Talking therapies or stress management vs placebo or no treatment
Serious adverse events · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extractedNRNo studies