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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
One-to-one dietary intervention aimed at preventing tooth erosion (e.g., reducing consumption of acidic/carbonated drinks) vs No dietary advice, or different dietary advice
Dental erosion / tooth wear (tooth wear indices) · Participants of any age receiving one-to-one dietary advice in a dental setting
One‐to‐one dietary interventions undertaken in a dental setting to change dietary behaviour (2012) · Cochrane
There were no studies concerned with dietary change aimed at preventing tooth erosion.0 studiesNo studies
Sodium hypochlorite 5.25% with hydrogen peroxide 3% vs Normal saline
Proportion of participants with moderate to severe pain up to 6 hours after the procedure · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or…
Irrigants for non‐surgical root canal treatment in mature permanent teeth (2012) · Cochrane
no estimate extracted0 studiesNo studies
Any orthodontic and/or surgical treatment for Angle Class III malocclusion vs No intervention or another treatment technique
Correction of prominent lower front teeth / effectiveness of treatment (planned primary outcome) · Adults (16 years of age or older) with an Angle Class III malocclusion (prominent lower front teeth); people with…
Treatments for adults with prominent lower front teeth (2012) · Cochrane
No included study measured the planned primary outcome. Discussion: 'The primary outcome proposed for this review was to evaluate the effectiveness of treatments for prognathism, but none of the studies conclusively…NRNo studies
HAART regimen + topical treatment vs HAART regimen alone
Duration to heal oral ulcerations after initiation of treatment · HIV‐infected adults (> 13 years of age, per CDC) with one or more painful intraoral aphthous ulcers
Topical treatments for HIV‐related oral ulcers (2012) · Cochrane
No studies were included in this review. A total of 233 abstracts were retrieved; 25 were selected as potentially eligible but all were excluded (10 reported systemic rather than topical treatment; 3 non‐RCTs; 6…0 studiesNo studies
Sodium hypochlorite 1% with chlorhexidine 2% final rinse vs Sodium hypochlorite 1% with normal saline final rinse
Adverse effects · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or…
Irrigants for non‐surgical root canal treatment in mature permanent teeth (2012) · Cochrane
no estimate extracted0 studiesNo studies
Sodium hypochlorite (NaOCl), 2.5% to 5.25% vs Chlorhexidine, 0.2% to 2% (solution or gel)
Proportion of participants with new or worsening signs/symptoms of inflammation requiring a revisit, up to 14 days after the procedure · Patients aged 14 to 78 years with mature permanent teeth (fully formed roots), single or multi-rooted, with pulpal or…
Irrigants for non‐surgical root canal treatment in mature permanent teeth (2012) · Cochrane
no estimate extracted0 studiesNo studies
Antipyretic drugs vs no antipyretic drug or placebo
Adverse Events · patients with fever in malaria
Antipyretic measures for treating fever in malaria (2012) · Cochrane
no estimate extractedNRNo studies
ADJUNCTIVE TREATMENT ‐ NON‐SPECIFIC: SELEGILINE vs PLACEBO
Quality of life Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
ADJUNCTIVE TREATMENT ‐ NON‐SPECIFIC: SELEGILINE vs PLACEBO
Adverse effects: Death Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
SWITCHING ANTIPSYCHOTIC: TO QUETIAPINE vs MAINTENANCE RISPERIDONE
Quality of life Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
SWITCHING ANTIPSYCHOTIC: TO QUETIAPINE vs MAINTENANCE RISPERIDONE
Adverse effects: Death Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
SWITCHING ANTIPSYCHOTIC: TO QUETIAPINE vs MAINTENANCE RISPERIDONE
Adverse effects: Extrapyramidal symptoms Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
SWITCHING ANTIPSYCHOTIC: TO OLANZAPINE vs MAINTENANCE RISPERIDONE/FGA
Quality of life Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
SWITCHING ANTIPSYCHOTIC: TO OLANZAPINE vs MAINTENANCE RISPERIDONE/FGA
Adverse effects: Death Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
ADJUNCTIVE TREATMENT ‐ SPECIFIC: SILDENAFIL vs PLACEBO
Quality of life Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
ADJUNCTIVE TREATMENT ‐ SPECIFIC: SILDENAFIL vs PLACEBO
Adverse effects: Death Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
ADJUNCTIVE TREATMENT ‐ SPECIFIC: SILDENAFIL vs PLACEBO
Adverse effects: Psychotic symptoms Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
ADJUNCTIVE TREATMENT ‐ SPECIFIC: SILDENAFIL vs PLACEBO
Adverse effects: Extrapyramidal symptoms Not reported · patients with sexual dysfunction due to antipsychotic drug therapy
Management of sexual dysfunction due to antipsychotic drug therapy (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Function · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Tenderness · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Global Perceived Effect · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Satisfaction · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Overall well‐being · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Function · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Tenderness · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Function · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Global Perceived Effect · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Satisfaction · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Overall well‐being · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · Patients with unknown duration of mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Tenderness · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Global Perceived Effect · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Satisfaction · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Overall well‐being · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · Patients with subacute/chronic mechanical neck pain
Massage for mechanical neck disorders (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Morbidity · Patients with type 2 diabetes mellitus
Self‐monitoring of blood glucose in patients with type 2 diabetes mellitus who are not using insulin (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Costs · patients with type 2 diabetes mellitus
Adenosine‐diphosphate (ADP) receptor antagonists for the prevention of cardiovascular disease in type 2… (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Neurological sequelae at day 28 · Adults with severe malaria
Artesunate versus quinine for treating severe malaria (2012) · Cochrane
no estimate extractedNRNo studies
CBT vs no treatment
Outcomes3 · patients with adjustment disorders
Interventions to facilitate return to work in adults with adjustment disorders (2012) · Cochrane
no estimate extractedNRNo studies
BENZODIAZEPINES AS SOLE TREATMENT vs PLACEBO
Number of participants tranquillised at endpoint of the study (Desired sedation/tranquillisation) · people with schizophrenia
Benzodiazepines for schizophrenia (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
SAEs ‐ formoterol versus salbutamol · patients with chronic asthma (children)
Regular treatment with formoterol for chronic asthma: serious adverse events (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Death from any cause ( · patients with diabetes mellitus
Cinnamon for diabetes mellitus (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Morbidity ( · patients with diabetes mellitus
Cinnamon for diabetes mellitus (2012) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life ( · patients with diabetes mellitus
Cinnamon for diabetes mellitus (2012) · Cochrane
no estimate extractedNRNo studies