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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
Traction vs any other treatment
Adverse effects · people with low‐back pain with and without sciatica
Traction for low‐back pain with or without sciatica (2013) · Cochrane
no estimate extractedNRNo studies
Traction vs placebo, sham or no treatment
Return to work · people with low‐back pain with and without sciatica
Traction for low‐back pain with or without sciatica (2013) · Cochrane
no estimate extractedNRNo studies
Traction vs placebo, sham or no treatment
Adverse effects · people with low‐back pain with and without sciatica
Traction for low‐back pain with or without sciatica (2013) · Cochrane
no estimate extractedNRNo studies
Physiotherapy with traction vs physiotherapy without traction
Return to work · people with low‐back pain with and without sciatica
Traction for low‐back pain with or without sciatica (2013) · Cochrane
no estimate extractedNRNo studies
Urodynamics vs clinical management
Incidence of urinary tract infection associated with urodynamics ‐ not reported · patients with management of urinary incontinence in children and adults
Urodynamic studies for management of urinary incontinence in children and adults (2013) · Cochrane
no estimate extractedNRNo studies
Urodynamics vs clinical management
Health economics measure ‐ not reported · patients with management of urinary incontinence in children and adults
Urodynamic studies for management of urinary incontinence in children and adults (2013) · Cochrane
no estimate extractedNRNo studies
Cognitive rehabilitation vs control
Change in rates of admission to residential care-not measured · participants with early‐stage Alzheimer's disease and vascular dementia
Cognitive training and cognitive rehabilitation for mild to moderate Alzheimer's disease and vascular dementia (2013) · Cochrane
no estimate extractedNRNo studies
Cognitive rehabilitation vs control
Change in measures of dementia severity-not measured · participants with early‐stage Alzheimer's disease and vascular dementia
Cognitive training and cognitive rehabilitation for mild to moderate Alzheimer's disease and vascular dementia (2013) · Cochrane
no estimate extractedNRNo studies
Cognitive training vs control
Change in rates of admission to residential care-not measured · participants with early‐stage Alzheimer's disease and vascular dementia
Cognitive training and cognitive rehabilitation for mild to moderate Alzheimer's disease and vascular dementia (2013) · Cochrane
no estimate extractedNRNo studies
Cognitive training vs control
Change in measures of dementia severity-not measured · participants with early‐stage Alzheimer's disease and vascular dementia
Cognitive training and cognitive rehabilitation for mild to moderate Alzheimer's disease and vascular dementia (2013) · Cochrane
no estimate extractedNRNo studies
Cognitive rehabilitation vs control
Change in a global measure of cognition-not measured · participants with early‐stage Alzheimer's disease and vascular dementia
Cognitive training and cognitive rehabilitation for mild to moderate Alzheimer's disease and vascular dementia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Variceal bleeding 5 years · patients with chronic hepatitis C who have failed prior antiviral therapy and who have severe histologic disease…
Interferon for interferon nonresponding and relapsing patients with chronic hepatitis C (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Ascites 5 years · patients with chronic hepatitis C who have failed prior antiviral therapy and who have severe histologic disease…
Interferon for interferon nonresponding and relapsing patients with chronic hepatitis C (2013) · Cochrane
no estimate extractedNRNo studies
Oral NSAIDs vs placebo
Withdrawal due to adverse events · adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Oral NSAIDs vs glucocorticoid injection
Quality of life · Adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Oral NSAIDs vs glucocorticoid injection
Withdrawal due to adverse events · Adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Oral NSAIDs vs glucocorticoid injection
Adverse events · Adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Topical NSAIDs vs placebo
Function/disability · Adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Topical NSAIDs vs placebo
Quality of life · Adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Oral NSAIDs vs placebo
Quality of life · adults with lateral elbow pain
Non‐steroidal anti‐inflammatory drugs (NSAIDs) for treating lateral elbow pain in adults (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · mechanically ventilated participants with acute lung injury and acute respiratory distress syndrome
Partial liquid ventilation for preventing death and morbidity in adults with acute lung injury and acute… (2013) · Cochrane
no estimate extractedNRNo studies
Inspiratory muscle training vs control
Exacerbations requiring a course of oral or inhaled corticosteroids or emergency department visits · Participants with asthma
Inspiratory muscle training for asthma (2013) · Cochrane
no estimate extractedNRNo studies
Proparacaine hydrochloride 0.5% eye drops vs placebo
50% pain reduction 12 weeks after the start of treatment Not measured · patients with trigeminal neuralgia
Non‐antiepileptic drugs for trigeminal neuralgia (2013) · Cochrane
no estimate extractedNRNo studies
Proparacaine hydrochloride 0.5% eye drops vs placebo
Quality of life assessment 12 weeks after the start of treatment Not measured · patients with trigeminal neuralgia
Non‐antiepileptic drugs for trigeminal neuralgia (2013) · Cochrane
no estimate extractedNRNo studies
Tizanidine vs carbamazepine
50% pain reduction 12 weeks after the start of treatment Not measured · patients with trigeminal neuralgia
Non‐antiepileptic drugs for trigeminal neuralgia (2013) · Cochrane
no estimate extractedNRNo studies
Tizanidine vs carbamazepine
Quality of life assessment 12 weeks after the start of treatment Not measured · patients with trigeminal neuralgia
Non‐antiepileptic drugs for trigeminal neuralgia (2013) · Cochrane
no estimate extractedNRNo studies
Tocainide vs carbamazepine
50% pain reduction 12 weeks after the start of treatment Not measured · patients with trigeminal neuralgia
Non‐antiepileptic drugs for trigeminal neuralgia (2013) · Cochrane
no estimate extractedNRNo studies
Tocainide vs carbamazepine
Quality of life assessment 12 weeks after the start of treatment Not measured · patients with trigeminal neuralgia
Non‐antiepileptic drugs for trigeminal neuralgia (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Satisfaction · Patients with chronic non‐specific neck pain
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Patients with chronic non‐specific neck pain
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · Patients with chronic non‐specific neck pain
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Global Perceived Effect · Patients with subacute/chronic neck pain with or without radicular symptoms and cervicogenic headache
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · Patients with subacute/chronic neck pain with or without radicular symptoms and cervicogenic headache
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · Patients with subacute/chronic neck pain with or without radicular symptoms and cervicogenic headache
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Function · Patients with chronic non‐specific neck pain
Electrotherapy for neck pain (2013) · Cochrane
no estimate extractedNRNo studies
MTX treated vs no MTX treated
ASAS 40 · Patients with AS
Methotrexate for ankylosing spondylitis (2013) · Cochrane
no estimate extractedNRNo studies
MTX treated vs no MTX treated
Partial remission · Patients with AS
Methotrexate for ankylosing spondylitis (2013) · Cochrane
no estimate extractedNRNo studies
MTX treated vs no MTX treated
X‐Ray of the spine · Patients with AS
Methotrexate for ankylosing spondylitis (2013) · Cochrane
no estimate extractedNRNo studies
MTX treated vs no MTX treated
MRI · Patients with AS
Methotrexate for ankylosing spondylitis (2013) · Cochrane
no estimate extractedNRNo studies
MTX treated vs no MTX treated
Serious adverse event · Patients with AS
Methotrexate for ankylosing spondylitis (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious infections · participants with rheumatoid arthritis
Etanercept for the treatment of rheumatoid arthritis (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Outcome: ACR50 ‐ American College of Rheumatology Improvement Criteria · participants with rheumatoid arthritis
Etanercept for the treatment of rheumatoid arthritis (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Physical health · adolescents and young adults (aged 12‐25 years)
Educational and skills‐based interventions for preventing relationship and dating violence in adolescents… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Psychosocial health · adolescents and young adults (aged 12‐25 years)
Educational and skills‐based interventions for preventing relationship and dating violence in adolescents… (2013) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Outcomes1 · adult male patients
Screening for prostate cancer (2013) · Cochrane
no estimate extractedNRNo studies
Posterior cruciate ligament retention vs sacrifice (using the same arthroplasty design)
Survival rate of the implant (Revision surgery reported) · Patients receiving total knee arthroplasty with or without resection of the posterior cruciate ligament for the…
Retention versus sacrifice of the posterior cruciate ligament in total knee arthroplasty for treating… (2013) · Cochrane
no estimate extractedNRNo studies
Posterior cruciate ligament retention vs sacrifice (using the same arthroplasty design)
Health related quality of life measures and functional measures with validated instruments (WOMAC, range 0‐100, higher scores indicate worse pain, stiffness and functional limitations) · Patients receiving total knee arthroplasty with or without resection of the posterior cruciate ligament for the…
Retention versus sacrifice of the posterior cruciate ligament in total knee arthroplasty for treating… (2013) · Cochrane
no estimate extractedNRNo studies
Posterior cruciate ligament retention vs sacrifice (using the same arthroplasty design)
Complications · Patients receiving total knee arthroplasty with or without resection of the posterior cruciate ligament for the…
Retention versus sacrifice of the posterior cruciate ligament in total knee arthroplasty for treating… (2013) · Cochrane
no estimate extractedNRNo studies
Posterior cruciate ligament retention vs sacrifice (using the same arthroplasty design)
Re‐operation rate (not involving implant change, short and long term) · Patients receiving total knee arthroplasty with or without resection of the posterior cruciate ligament for the…
Retention versus sacrifice of the posterior cruciate ligament in total knee arthroplasty for treating… (2013) · Cochrane
no estimate extractedNRNo studies
Posterior cruciate ligament retention vs posterior stabilised sacrifice
Survival rate of the implant (Revision surgery reported) · Patients receiving total knee arthroplasty with or without posterior stabilised design for the treatment of…
Retention versus sacrifice of the posterior cruciate ligament in total knee arthroplasty for treating… (2013) · Cochrane
no estimate extractedNRNo studies