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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)

806 questions in 76 reviews · ENT

current versions
No studies 293 · 36.4%Ungraded 6 · 0.7%Very low 244 · 30.3%Low 170 · 21.1%Moderate 85 · 10.5%High 8 · 1%

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
Antibiotics vs no treatment
Adverse event: anaphylaxis · 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 extractedNRVery low
Oral steroids vs placebo
Hearing ‐ return to normal 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
RR 1.14 [0.97, 1.33]NRModerate
Topical (intranasal) steroids vs placebo
Disease‐specific quality of life (total OM8‐30 score, lower score is more favourable) · 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 extractedNRLow
Topical (intranasal) steroids vs placebo
Presence/persistence of OME · 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 extractedNRVery low
Topical (intranasal) steroids vs placebo
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 extractedNRVery low
Topical (intranasal) steroids vs no treatment
Hearing ‐ hearing threshold (air‐bone gap, very short‐term); assumed ICC = 0.5 · 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 extractedNRLow
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
Presence/persistence of OME (short‐term); assumed ICC = 0.5 · 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
RR 0.72 [0.57, 0.91]NRVery low
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 placebo
Disease‐specific quality of life (total OM8‐30, lower score is more favourable) · 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 extractedNRModerate
Oral steroids vs placebo
Presence/persistence of OME · 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 extractedNRLow
Oral steroids vs placebo
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 extractedNRVery low
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
Oral steroids vs no treatment
Presence/persistence of OME (3 to 9 months ‐ medium‐term) № of participants: 258 (2 RCTs) · 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
RR 1.02 [0.89, 1.17]NRLow
Oral 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 extractedNRVery low
Topical (intranasal) steroids vs placebo
Hearing ‐ hearing threshold; assumed ICC = 0.5 · 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 extractedNRVery low
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
Change in vertigo: global score · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extracted1 study · 204 participantsVery low
Dietary intervention (probiotics) vs placebo
Change in vertigo: frequency · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extracted1 study · 204 participantsVery low
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
Vertigo (global score) at < 3 months · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extracted1 study · 34 participantsVery low
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
Vestibular rehabilitation vs no treatment
Change in vertigo · adults with vestibular migraine
Non‐pharmacological interventions for prophylaxis of vestibular migraine (2023) · Cochrane
no estimate extracted1 study · 40 participantsVery low
Triptans vs placebo
Improvement in vertigo (global score) ‐ up to 2 hours · adults with acute attacks of vestibular migraine
Pharmacological interventions for acute attacks of vestibular migraine (2023) · Cochrane
RR 0.84 [0.66, 1.07]2 studies · 262 participantsVery low
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
Triptans vs placebo
Serious adverse events · adults with acute attacks of vestibular migraine
Pharmacological interventions for acute attacks of vestibular migraine (2023) · Cochrane
no estimate extracted1 study · 114 participantsVery low
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
Transcranial direct current stimulation vs placebo
Serious adverse events · adults with PPPD
Non‐pharmacological interventions for persistent postural‐perceptual dizziness (PPPD) (2023) · Cochrane
no estimate extracted1 study · 21 participantsVery low
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
Talking therapies or stress management 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
Vestibular rehabilitation 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
Vestibular rehabilitation 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
Intratympanic corticosteroids vs systemic corticosteroids
Change in hearing threshold determined by PTA Range 0 dB to 140 dB Negative values represent lowering and positive values represent raising of the hearing threshold. A lower hearing threshold represents hearing improvement). Â · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extracted10 studies · 701 participantsLow
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Change in hearing threshold determined by PTA Range 0 dB to 140 dB Negative values represent lowering and positive values represent raising of the hearing threshold. A lower hearing threshold represents hearing improvement. Â · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extracted6 studies · 435 participantsLow
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Proportion of patients whose hearing is improved · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
RR 1.27 [1.15, 1.41]10 studies · 788 participantsVery low
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Final hearing threshold determined by PTA A lower value represents better hearing · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extracted3 studies · 194 participantsVery low
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Adverse eventsb · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extractedNRNo studies
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Persistent tympanic membrane perforation · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extracted5 studies · 474 participantsVery low
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Vertigo/dizziness: timing not reported · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extractedNRNo studies
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Vertigo/dizziness: at the time of injection · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extracted4 studies · 341 participantsVery low
Intratympanic plus systemic corticosteroids (combined therapy) vs systemic corticosteroids alone
Ear pain: timing not reported · sudden sensorineural hearing loss
Intratympanic corticosteroids for sudden sensorineural hearing loss (2022) · Cochrane
no estimate extractedNRNo studies