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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
Plasma exchange (PE) vs sham exchange
Adverse events ‐ not reported · people with IgG and IgA paraproteinaemic neuropathy
Treatment for IgG and IgA paraproteinaemic neuropathy (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
ASAS partial remission
TNF‐alpha inhibitors for ankylosing spondylitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Radiographic progression
TNF‐alpha inhibitors for ankylosing spondylitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Withdrawals due to adverse events
TNF‐alpha inhibitors for ankylosing spondylitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious adverse events
TNF‐alpha inhibitors for ankylosing spondylitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Healthcare outcomes · healthcare professionals
Tailored interventions to address determinants of practice (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Costs · healthcare professionals
Tailored interventions to address determinants of practice (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse effects · healthcare professionals
Tailored interventions to address determinants of practice (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Incidence of type 2 diabetes mellitus · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Diabetic complications · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Socioeconomic effects · non‐diabetic adults with insulin resistance
Zinc supplementation for the prevention of type 2 diabetes mellitus in adults with insulin resistance (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Distant consultancy · patients needing elective specialist ambulatory visit or surgery
Interventions to reduce waiting times for elective procedures (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Generic waiting list · patients needing elective specialist ambulatory visit or surgery
Interventions to reduce waiting times for elective procedures (2015) · Cochrane
no estimate extractedNRNo studies
TEMPOROPARIETAL TMS vs STANDARD TREATMENT
Mental state ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
TEMPOROPARIETAL TMS vs STANDARD TREATMENT
Cognitive state ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
TEMPOROPARIETAL TMS vs STANDARD TREATMENT
Adverse effects: general or specific ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
TEMPOROPARIETAL TMS vs STANDARD TREATMENT
Satisfaction with care ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
PREFRONTAL TMS vs SHAM TMS
Clinical improvement in global state ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
PREFRONTAL TMS vs SHAM TMS
Satisfaction with care ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
PREFRONTAL TBS TMS vs SHAM TMS
Global state score ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
PREFRONTAL TBS TMS vs SHAM TMS
Satisfaction with care ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
TEMPOROPARIETAL TMS vs SHAM TMS
Satisfaction with care ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
TEMPOROPARIETAL TMS vs STANDARD TREATMENT
Global state score ‐ not reported · people with schizophrenia
Transcranial magnetic stimulation (TMS) for schizophrenia (2015) · Cochrane
no estimate extractedNRNo studies
Brochure and an audiotape vs standard care
Rate of congenital toxoplasmosis defined by persistence of IgG antibodies beyond 11 months · women of reproductive age, irrespective of their pregnant status
Prenatal education for congenital toxoplasmosis (2015) · Cochrane
no estimate extractedNRNo studies
Brochure and an audiotape vs standard care
Pregnant women knowledge of risk factors for acquiring toxoplasmosis infection as objectively measured through specific questionnaire · women of reproductive age, irrespective of their pregnant status
Prenatal education for congenital toxoplasmosis (2015) · Cochrane
no estimate extractedNRNo studies
Brochure and an audiotape vs standard care
Pregnant women awareness of the importance of avoiding toxoplasmosis infection during pregnancy as objectively measured through specific questionnaire · women of reproductive age, irrespective of their pregnant status
Prenatal education for congenital toxoplasmosis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
BCMA vs no BCMA
Interventions for reducing medication errors in children in hospital (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
aPrescriptions.
Interventions for reducing medication errors in children in hospital (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
CPOE vs no CPOE
Interventions for reducing medication errors in children in hospital (2015) · Cochrane
no estimate extractedNRNo studies
MMC vs 5‐FU
Quality of life at 1 year · wound healing in glaucoma surgery
Mitomycin C versus 5‐Fluorouracil for wound healing in glaucoma surgery (2015) · Cochrane
no estimate extractedNRNo studies
Summary of findings table: photocoagulation of drusen vs control
Outcomes at two years
Laser treatment of drusen to prevent progression to advanced age‐related macular degeneration (2015) · Cochrane
no estimate extractedNRNo studies
Split‐course radiotherapy (8 fractions, 30 Gy) vs short‐course radiotherapy (2 fractions, 16 Gy)
Quality of life · adults with metastatic extradural spinal cord compression (poor prognosis, no spinal instability or bony impingement…
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
Laminectomy plus radiotherapy vs radiotherapy
Local recurrence · adults with metastatic extradural spinal cord compression (single lesion, no prior radiotherapy, fit for surgery)
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
Laminectomy plus radiotherapy vs radiotherapy
Quality of life · adults with metastatic extradural spinal cord compression (single lesion, no prior radiotherapy, fit for surgery)
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
Decompressive surgery plus radiotherapy vs radiotherapy
Local recurrence · adults with metastatic extradural spinal cord compression (fit for surgery, paraplegic less than 48 hours, and without…
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
Decompressive surgery plus radiotherapy vs radiotherapy
Quality of life · adults with metastatic extradural spinal cord compression (fit for surgery, paraplegic less than 48 hours, and without…
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
High‐dose corticosteroids vs moderate‐dose or no corticosteroids
Local recurrence ‐ · adults with metastatic extradural spinal cord compression (without peptic ulceration or infection; mixed prognosis)
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
High‐dose corticosteroids vs moderate‐dose or no corticosteroids
Quality of life · adults with metastatic extradural spinal cord compression (without peptic ulceration or infection; mixed prognosis)
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
Single‐fraction radiotherapy (8 Gy) vs short‐course radiotherapy (16 Gy
Quality of life · adults with metastatic extradural spinal cord compression (poor prognosis with visceral metastasis, and no spinal…
Interventions for the treatment of metastatic extradural spinal cord compression in adults (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Healthcare utilisation
Pharmaceutical policies: effects of financial incentives for prescribers (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health outcomes
Pharmaceutical policies: effects of financial incentives for prescribers (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Costs
Pharmaceutical policies: effects of financial incentives for prescribers (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
PEI versus PAI · hospitalised people with early HCC treated with PEI, PAI, or surgery.
Percutaneous ethanol injection or percutaneous acetic acid injection for early hepatocellular carcinoma (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Number and type of adverse events · hospitalised people with early HCC treated with PEI, PAI, or surgery.
Percutaneous ethanol injection or percutaneous acetic acid injection for early hepatocellular carcinoma (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · hospitalised people with early HCC treated with PEI, PAI, or surgery.
Percutaneous ethanol injection or percutaneous acetic acid injection for early hepatocellular carcinoma (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
PEI versus surgery · hospitalised people with early HCC treated with PEI, PAI, or surgery.
Percutaneous ethanol injection or percutaneous acetic acid injection for early hepatocellular carcinoma (2015) · Cochrane
no estimate extractedNRNo studies
Long protocol (continued same vs reduced dose GnRHa)
Live birth and ongoing pregnancies per woman randomised · women undergoing pituitary suppression in assisted reproduction
Gonadotrophin‐releasing hormone agonist protocols for pituitary suppression in assisted reproduction (2015) · Cochrane
no estimate extractedNRNo studies