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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.
15,213 questions in 2,394 reviews
current versionsNo 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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Prophylactic antibiotics (single or combined drugs) vs placebo or no treatment Number of major adverse effects defined by the study, before discharge · women with urinary stress incontinence undergoing continence surgery Prophylactic antibiotics for preventing infection after continence surgery in women with stress urinary… (2022) · Cochrane | no estimate extracted | NR | No studies |
Prophylactic antibiotics (single or combined drugs) vs placebo or no treatment Number of women with sepsis or bacteraemia at hospital discharge · women with urinary stress incontinence undergoing continence surgery Prophylactic antibiotics for preventing infection after continence surgery in women with stress urinary… (2022) · Cochrane | no estimate extracted | NR | No studies |
Bioengineered devices vs standard techniques Muscle strength at ≥ 24 months · people undergoing peripheral nerve repair of the upper limb Bioengineered nerve conduits and wraps for peripheral nerve repair of the upper limb (2022) · Cochrane | no estimate extracted | NR | No studies |
Bioengineered devices vs standard techniques Impact on daily living · people undergoing peripheral nerve repair of the upper limb Bioengineered nerve conduits and wraps for peripheral nerve repair of the upper limb (2022) · Cochrane | no estimate extracted | NR | No studies |
Music therapy plus standard care vs active intervention plus standard care Retention in treatment · people with substance use disorders Music therapy for people with substance use disorders (2022) · Cochrane | no estimate extracted | NR | No studies |
Music therapy plus standard care vs active intervention plus standard care Serious adverse events · people with substance use disorders Music therapy for people with substance use disorders (2022) · Cochrane | no estimate extracted | NR | No studies |
Music therapy plus standard care vs standard care alone Serious adverse events · people with substance use disorders Music therapy for people with substance use disorders (2022) · Cochrane | no estimate extracted | NR | No studies |
IV or oral iron alone vs no treatment Thromboembolic events5 (Subnet based on 50 studies including 15,408 participants) · patients at any age with solid cancer or haematological malignancy Intravenous iron versus oral iron versus no iron with or without erythropoiesis‐ stimulating agents (ESA)… (2022) · Cochrane | no estimate extracted | NR | No studies |
IV or oral iron alone vs no treatment Thrombocytopenia or haemorrhage5 (Subnet based on 13 studies including 2744 participants) · patients at any age with solid cancer or haematological malignancy Intravenous iron versus oral iron versus no iron with or without erythropoiesis‐ stimulating agents (ESA)… (2022) · Cochrane | no estimate extracted | NR | No studies |
IV or oral iron alone vs no treatment Hypertension5 (Subnet based on 24 studies including 8383 participants) · patients at any age with solid cancer or haematological malignancy Intravenous iron versus oral iron versus no iron with or without erythropoiesis‐ stimulating agents (ESA)… (2022) · Cochrane | no estimate extracted | NR | No studies |
ESA with or without iron vs no treatment Thrombocytopenia or haemorrhage5 (Subnet based on 13 studies including 2744 participants) · patients at any age with solid cancer or haematological malignancy Intravenous iron versus oral iron versus no iron with or without erythropoiesis‐ stimulating agents (ESA)… (2022) · Cochrane | no estimate extracted | NR | No studies |
ESA with or without iron vs no treatment Hypertension5 (Subnet based on 24 studies including 8383 participants) · patients at any age with solid cancer or haematological malignancy Intravenous iron versus oral iron versus no iron with or without erythropoiesis‐ stimulating agents (ESA)… (2022) · Cochrane | no estimate extracted | NR | No studies |
IV or oral iron alone vs no treatment Haemoglobin response (Subnet based on 31 studies including 6985 participants) · patients at any age with solid cancer or haematological malignancy Intravenous iron versus oral iron versus no iron with or without erythropoiesis‐ stimulating agents (ESA)… (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs scopolamine Proportion of susceptible participants who experienced a reduction or resolution of existing motion sickness symptoms · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs scopolamine Physiological measures: core temperature and gastric tachyarrhythmia (electrogastrography) · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs scopolamine Adverse effects: impaired cognitive function · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs antiemetics Proportion of susceptible participants who experienced a reduction or resolution of existing motion sickness symptoms · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs antiemetics Physiological measures: heart rate and core temperature · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs antiemetics Adverse effects: impaired cognition and blurred vision · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs acupuncture Proportion of susceptible participants who experienced a reduction or resolution of existing motion sickness symptoms · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs acupuncture Physiological measures: heart rate, core temperature and gastric tachyarrhythmia (electrogastrography) · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs acupuncture Adverse effects: sedation, impaired cognitive function, blurred vision · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs placebo Proportion of susceptible participants who experienced a reduction or resolution of existing motion sickness symptoms · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Antihistamines vs placebo Physiological measures: heart rate and core temperature · patients with motion sickness Antihistamines for motion sickness (2022) · Cochrane | no estimate extracted | NR | No studies |
Dynamic splinting vs delayed or no splinting Measurement of acetabular index at 5 years · babies under six months of age with all severities of DDH Splinting for the non‐operative management of developmental dysplasia of the hip (DDH) in children under six… (2022) · Cochrane | no estimate extracted | NR | No studies |
Dynamic splinting vs static splinting Measurement of acetabular index at 1 year · babies under six months of age with stable and unstable hips Splinting for the non‐operative management of developmental dysplasia of the hip (DDH) in children under six… (2022) · Cochrane | no estimate extracted | NR | No studies |
Dynamic splinting vs static splinting Measurement of acetabular index at 2 years · babies under six months of age with stable and unstable hips Splinting for the non‐operative management of developmental dysplasia of the hip (DDH) in children under six… (2022) · Cochrane | no estimate extracted | NR | No studies |
Dynamic splinting vs static splinting Measurement of acetabular index at 5 years · babies under six months of age with stable and unstable hips Splinting for the non‐operative management of developmental dysplasia of the hip (DDH) in children under six… (2022) · Cochrane | no estimate extracted | NR | No studies |
Dynamic splinting vs static splinting Need for operative intervention · babies under six months of age with stable and unstable hips Splinting for the non‐operative management of developmental dysplasia of the hip (DDH) in children under six… (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Social communication at baseline and · children diagnosed with autism spectrum disorder Overall prognosis of preschool autism spectrum disorder diagnoses (2022) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Restricted and repetitive behaviours and interests at baseline and · children diagnosed with autism spectrum disorder Overall prognosis of preschool autism spectrum disorder diagnoses (2022) · Cochrane | no estimate extracted | NR | No studies |
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy Incidence of other type of stroke ‒ not measured · stroke and/or TIA Marine‐derived n‐3 fatty acids therapy for stroke (2022) · Cochrane | no estimate extracted | NR | No studies |
Marine‐derived n‐3 fatty acids therapy vs no marine‐derived n‐3 fatty acids therapy Quality of life ‒ not measured · stroke and/or TIA Marine‐derived n‐3 fatty acids therapy for stroke (2022) · Cochrane | no estimate extracted | NR | No studies |
PAE vs sham Erectile function · men with lower urinary tract symptoms suggesting benign prostatic hyperplasia Prostatic arterial embolization for the treatment of lower urinary tract symptoms in men with benign… (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Cardiovascular mortality Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Serious adverse events Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Quality of sleep Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) All‐cause mortality Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Time to life‐saving cardiovascular intervention Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs bilevel ventilation Cardiovascular mortality Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs bilevel ventilation Serious adverse events Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs bilevel ventilation Quality of sleep Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs bilevel ventilation Quality of life Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs bilevel ventilation All‐cause mortality Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs bilevel ventilation Time to life‐saving cardiovascular intervention Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Cardiovascular mortality Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Serious adverse events Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) Quality of sleep Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Continuous positive airway pressure (CPAP) plus best supportive care vs best supportive care Serious adverse events Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |
Adaptive servo ventilation (ASV) vs continuous positive airway pressure (CPAP) All‐cause mortality Non‐invasive positive pressure ventilation for central sleep apnoea in adults (2022) · Cochrane | no estimate extracted | NR | No studies |