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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
Intervention NR
Occurrence of elder abuse · Carers of elderly persons with a responsibility for detecting abuse
Interventions for preventing abuse in the elderly (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adherence · adults with hearing loss who use hearing aids
Interventions to improve hearing aid use in adult auditory rehabilitation (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · adults with hearing loss who use hearing aids
Interventions to improve hearing aid use in adult auditory rehabilitation (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · adults with hearing loss who use hearing aids
Interventions to improve hearing aid use in adult auditory rehabilitation (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Daily hours of hearing aid use · adults with hearing loss who use hearing aids
Interventions to improve hearing aid use in adult auditory rehabilitation (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · adults with hearing loss who use hearing aids
Interventions to improve hearing aid use in adult auditory rehabilitation (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Hearing aid benefit · adults with hearing loss who use hearing aids
Interventions to improve hearing aid use in adult auditory rehabilitation (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Time to first passage of stool (hours, MD, 95% CI) · adults having abdominal surgery
Perioperative dexmedetomidine for acute pain after abdominal surgery in adults (2016) · Cochrane
no estimate extractedNRNo studies
Hypofractionated radiotherapy vs conventional radiotherapy
Event‐free survival · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Hypofractionated radiotherapy vs conventional radiotherapy
Quality of life · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Hypofractionated radiotherapy vs conventional radiotherapy
Neurological response · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Hypofractionated radiotherapy vs conventional radiotherapy
Radiological response · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Hyperfractionated radiotherapy vs conventional radiotherapy
Progression‐free survival · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Hyperfractionated radiotherapy vs conventional radiotherapy
Quality of life · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Hyperfractionated radiotherapy vs conventional radiotherapy
Neurological response · children and young adults with diffuse brainstem glioma
Radiotherapy for diffuse brainstem glioma in children and young adults (2016) · Cochrane
no estimate extractedNRNo studies
Pyridoxine vs placebo
Severity, reduction or cessation in nausea/vomiting 2. Quality of life outcomes 3. Pregnancy complications 4. Adverse fetal/neonatal outcomes · pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Metoclopramide vs ondansetron
Severity, reduction or cessation in nausea/vomiting 2.Days of hospital admission 3. Pregnancy complications 4. Adverse fetal/neonatal outcomes · pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Metoclopramide vs promethazine
Severity, reduction or cessation in nausea/vomiting 2. Number of episodes of emesis 3. Days of hospital admission 4. Pregnancy complications 5. Adverse fetal/neonatal outcomes · Pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Ondansetron vs promethazine
Severity, reduction or cessation in nausea/vomiting 2. Number of episodes of emesis 3. Quality of life outcomes 4. Pregnancy complications 5. Adverse fetal/neonatal outcomes · Pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Corticosteroids vs promethazine
Days of hospital admission 2. Quality of life outcomes 3. Pregnancy complications · Pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Acupuncture vs placebo
Severity, reduction or cessation in nausea/vomiting 2. Number of episodes of emesis 3. Days of hospital admission 4. Intervention side effects · pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Corticosteroids vs placebo
Severity, reduction or cessation in nausea/vomiting 2. Number of episodes of emesis 3. Quality of life outcomes · Pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Acupuncture vs metoclopramide
Number of episodes of emesis 2. Days of hospital admission 3. Intervention side effects 4. Quality of life outcomes 5. Pregnancy complications 6. Adverse fetal/neonatal outcomes · pregnant women with hyperemesis gravidarum
Interventions for treating hyperemesis gravidarum (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
There was no evidence of differences in the number of serious adverse events for any of the comparisons Quality of evidence = very low1,2,3. · people undergoing liver resection
Methods to decrease blood loss during liver resection: a network meta‐analysis (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
None of the trials reported this outcome at any time point. · people undergoing liver resection
Methods to decrease blood loss during liver resection: a network meta‐analysis (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Direct costs · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Time to complete ulcer healing · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Change in absolute ulcer size · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Ulcer recurrence · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Sulodexide + local treatment vs local treatment
Health‐related quality of life · patients with venous leg ulcers
Sulodexide for treating venous leg ulcers (2016) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo
Benefits · patients with symptoms of vertigo
Betahistine for symptoms of vertigo (2016) · Cochrane
no estimate extractedNRNo studies
Betahistine vs placebo
Harms · patients with symptoms of vertigo
Betahistine for symptoms of vertigo (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Test result
GenoType® MTBDRsl assay for resistance to second‐line anti‐tuberculosis drugs (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Test result
GenoType® MTBDRsl assay for resistance to second‐line anti‐tuberculosis drugs (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Test result
GenoType® MTBDRsl assay for resistance to second‐line anti‐tuberculosis drugs (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Reoperation rate1 · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life1 · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Global assessment of treatment success1 · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Hip dislocation1 · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Reoperation rate1 · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Total adverse events1 · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Global assessment of treatment success · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Reoperation rate · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pain · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Function · people following primary uncemented THA
Assistive devices, hip precautions, environmental modifications and training to prevent dislocation and… (2016) · Cochrane
no estimate extractedNRNo studies
FLUPHENAZINE (ORAL) vs RISPERIDONE
Clinically important change in life skills (long term) ‐ not reported · patients with schizophrenia
Fluphenazine (oral) versus atypical antipsychotics for schizophrenia (2016) · Cochrane
no estimate extractedNRNo studies
FLUPHENAZINE (ORAL) vs RISPERIDONE
Quality of life (long term) ‐ not reported · patients with schizophrenia
Fluphenazine (oral) versus atypical antipsychotics for schizophrenia (2016) · Cochrane
no estimate extractedNRNo studies