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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
Systemic antifungal vs placebo/no treatment
Adverse effects ‐ allergic reactions · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRNo studies
Systemic antifungal vs placebo/no treatment
Generic health‐related quality of life · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRNo studies
Topical antifungal vs placebo/no treatment
Disease severity score · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRVery low
Topical antifungal vs placebo/no treatment
Generic HRQL (change from baseline) · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRLow
Topical antifungal vs placebo/no treatment
Generic HRQL (change from baseline) · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRLow
Topical antifungal vs placebo/no treatment
Adverse effects ‐ epistaxis · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
RR 0.97 [0.14, 6.63]NRLow
Topical antifungal vs placebo/no treatment
Adverse effects ‐ headache · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
RR 1.26 [0.6, 2.63]NRVery low
Topical antifungal vs placebo/no treatment
Adverse effects ‐ local irritation · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
RR 2.29 [0.61, 8.62]NRLow
Systemic antifungal vs placebo/no treatment
Heath‐related quality of life (HRQL) · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRLow
Systemic antifungal vs placebo/no treatment
Disease severity score · chronic rhinosinusitis
Topical and systemic antifungal therapy for chronic rhinosinusitis (2018) · Cochrane
no estimate extractedNRLow
Saline vs no saline treatment
Disease severity score (up to 4 weeks) · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRLow
Saline irrigation plus pharmacological treatment vs pharmacological treatment alone
Individual symptom scores ‐ not measured · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRNo studies
Saline irrigation plus pharmacological treatment vs pharmacological treatment alone
Adverse effects ‐ epistaxis № of participants: 58 (2 RCTs) (18 children; 40 adults) · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Saline irrigation plus pharmacological treatment vs pharmacological treatment alone
Health‐related quality of life (4 weeks to 6 months) · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Saline irrigation plus pharmacological treatment vs pharmacological treatment alone
Other adverse effects: local irritation · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Saline vs no saline treatment
Disease severity score (4 weeks to 6 months) · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRLow
Saline vs no saline treatment
Individual symptom scores ‐ not measured · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRNo studies
Saline vs no saline treatment
Epistaxis · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRLow
Saline vs no saline treatment
Disease‐specific HRQL · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Saline vs no saline treatment
Disease‐specific HRQL ‐ 4 weeks to 6 months · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Saline vs no saline treatment
Other adverse effects: local irritation · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRLow
Saline irrigation plus pharmacological treatment vs pharmacological treatment alone
Disease severity score (up to 4 weeks) · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Saline irrigation plus pharmacological treatment vs pharmacological treatment alone
Disease severity score (4 weeks to 6 months) · allergic rhinitis
Saline irrigation for allergic rhinitis (2018) · Cochrane
no estimate extractedNRVery low
Low‐dose adjuvant radiotherapy vs standard‐dose adjuvant radiotherapy
Overall survival · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Low‐dose adjuvant radiotherapy vs standard‐dose adjuvant radiotherapy
Disease‐free survival · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Low‐dose adjuvant radiotherapy vs standard‐dose adjuvant radiotherapy
Swallowing ability · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Low‐dose adjuvant radiotherapy vs standard‐dose adjuvant radiotherapy
Voice (Voice Handicap Index) · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Standard‐dose adjuvant radiotherapy alone vs adjuvant chemoradiotherapy
Overall survival · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Standard‐dose adjuvant radiotherapy alone vs adjuvant chemoradiotherapy
Disease‐free survival · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Standard‐dose adjuvant radiotherapy alone vs adjuvant chemoradiotherapy
Swallowing ability · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Standard‐dose adjuvant radiotherapy alone vs adjuvant chemoradiotherapy
Voice (Voice Handicap Index) · patients with HPV‐positive oropharyngeal carcinoma who have received minimally invasive transoral surgery
De‐intensified adjuvant (chemo)radiotherapy versus standard adjuvant chemoradiotherapy post transoral… (2018) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo
Tinnitus loudness measured by a visual analogue scale (range 0 to 10/more than 10) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted2 studies · 81 participantsVery low
Betahistine vs placebo
Other adverse effects (yes or no) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 11 participantsVery low
Betahistine vs placebo
Other adverse effects (yes or no) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 41 participantsModerate
Betahistine vs placebo (with concurrent medication)
Change in tinnitus loudness match (range 0 to 5) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 60 participantsModerate
Betahistine vs placebo (with concurrent medication)
Significant adverse effects (yes or no) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 59 participantsLow
Betahistine vs placebo (with concurrent medication)
Tinnitus symptom severity · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo (with concurrent medication)
Depressive symptoms · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo (with concurrent medication)
Symptoms of generalised anxiety · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo (with concurrent medication)
Other adverse effects (yes or no) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 59 participantsModerate
Betahistine vs placebo
Change in tinnitus loudness measured by a visual analogue scale (range 0 to more than 10) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 11 participantsVery low
Betahistine vs placebo
Tinnitus loudness measured by a visual analogue scale (range 0 to 10) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 70 participantsVery low
Betahistine vs placebo
Significant adverse effects (yes or no) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 11 participantsVery low
Betahistine vs placebo
Significant adverse effects (yes or no) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 41 participantsModerate
Betahistine vs placebo
Change in Tinnitus Severity Index (range 0 to 56) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 50 participantsModerate
Betahistine vs placebo
Tinnitus severity score (range 0 to 4) · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extracted1 study · 36 participantsLow
Betahistine vs placebo
Depressive symptoms · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo
Symptoms of generalised anxiety · patients with subjective idiopathic tinnitus
Betahistine for tinnitus (2018) · Cochrane
no estimate extractedNRNo studies
Hearing aid vs sound generator
Tinnitus symptom severity · adults with tinnitus
Sound therapy (using amplification devices and/or sound generators) for tinnitus (2018) · Cochrane
no estimate extracted1 study · 91 participantsLow
Combination hearing aid vs hearing aid
Tinnitus symptom severity · adults with subjective idiopathic tinnitus
Sound therapy (using amplification devices and/or sound generators) for tinnitus (2018) · Cochrane
no estimate extracted3 studies · 114 participantsLow