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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)

1,248 questions in 108 reviews · Stroke

current versions
No studies 275 · 22%Ungraded 56 · 4.5%Very low 269 · 21.6%Low 349 · 28%Moderate 216 · 17.3%High 83 · 6.7%

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
Iron chelator vs placebo
Good neurological outcome (mRS 0 to 2) ( · adults with acute stroke
Iron chelators for acute stroke (2020) · Cochrane
no estimate extracted2 studies · 333 participantsLow
Iron chelator vs placebo
Serious adverse events (SAE) · adults with acute stroke
Iron chelators for acute stroke (2020) · Cochrane
RR 0.81 [0.57, 1.16]1 study · 291 participantsLow
Iron chelator vs placebo
Any deaths within the treatment period · adults with acute stroke
Iron chelators for acute stroke (2020) · Cochrane
no estimate extractedNRNo studies
Iron chelator vs placebo
Neurologic impairment scale at baseline and at the end of · adults with acute stroke
Iron chelators for acute stroke (2020) · Cochrane
no estimate extracted2 studies · 333 participantsLow
Iron chelator vs placebo
Relative oedema volume · adults with acute stroke
Iron chelators for acute stroke (2020) · Cochrane
no estimate extracted2 studies · 333 participantsLow
Iron chelator vs placebo
Quality of life · adults with acute stroke
Iron chelators for acute stroke (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of placebo or passive control intervention
Primary outcome measure: mean ADL at the end of the intervention periodMeasures of activities of daily living. Scale from: 0 to infinity. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted19 studies · 686 participantsModerate
tDCS vs any type of active control intervention
Secondary outcome measure: mean lower extremity function at the end of the intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted3 studies · 66 participantsModerate
tDCS vs any type of active control intervention
Secondary outcome measure: mean muscle strength at the end of the intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted2 studies · 57 participantsLow
tDCS vs any type of active control intervention
Secondary outcome measure: cognitive abilities at the end of the intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of active control intervention
Secondary outcome measure: spatial neglect at the end of the intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted1 study · 12 participantsModerate
tDCS vs any type of active control intervention
Secondary outcome measure: dropouts, adverse events and deaths during the intervention periodAdverse events, dropouts and deaths during the intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
RR 1.76 [0.43, 7.17]7 studies · 209 participantsModerate
tDCS vs any type of placebo or passive control intervention
Primary outcome measure: mean ADL until the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in…
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted6 studies · 269 participantsModerate
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean upper extremity function to the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in…
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted5 studies · 211 participantsModerate
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: lower extremity function to the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in…
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean muscle strength at the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in…
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted3 studies · 156 participantsModerate
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: cognitive abilities at the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in…
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean upper extremity function at the end of the intervention periodClinical measures of upper extremity function. Scale from: 0 to infinity. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted24 studies · 792 participantsModerate
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: hemispatial neglect at the end of · patients with improving activities of daily living, and physical and cognitive functioning at the end of follow‐up, in…
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of active control intervention
Primary outcome measure: mean ADL at the end of · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of active control intervention
Secondary outcome measure: mean upper extremity function to the end of · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted1 study · 32 participantsModerate
tDCS vs any type of active control intervention
Secondary outcome measure: lower extremity function at the end of · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of active control intervention
Secondary outcome measure: muscle strength at the end of · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of active control intervention
Secondary outcome measure: cognitive abilities at the end of · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of active control intervention
Secondary outcome measure: hemispatial neglect at the end of · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extractedNRNo studies
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean lower extremity function at the end of the intervention period Clinical measures of lower extremity function. Scale from: 0 to infinity. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted8 studies · 204 participantsModerate
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean muscle strength at the end of the intervention period Clinical measures of muscle strength. Scale from: 0 to infinity. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted13 studies · 437 participantsHigh
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean cognitive abilities at the end of the intervention period Clinical measures of cognitive abilities. Scale from: 0 to infinity. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted2 studies · 56 participantsLow
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: mean hemispatial neglect at the end of intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted1 study · 30 participantsVery low
tDCS vs any type of placebo or passive control intervention
Secondary outcome measure: dropouts, adverse events and deaths during the intervention periodNumber of adverse events, dropouts and deaths during the intervention period · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
RR 1.25 [0.74, 2.13]47 studies · 1330 participantsModerate
tDCS vs any type of active control intervention
Primary outcome measure: mean ADL at the end of the intervention periodBarthel Index. Scale from: 0 to 100. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted3 studies · 121 participantsLow
tDCS vs any type of active control intervention
Secondary outcome measure: mean upper extremity function at the end of the intervention periodClinical measures of upper extremity function. Scale from: 0 to infinity. · people with stroke
Transcranial direct current stimulation (tDCS) for improving activities of daily living, and physical and… (2020) · Cochrane
no estimate extracted5 studies · 124 participantsLow
Multiple vs fewer antiplatelet agents
Outcomes at ≥ 3 months · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
no estimate extractedNRNo studies
Dual vs one antiplatelet agent
Stroke · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.71 [0.62, 0.8]13 studies · 13637 participantsModerate
Dual vs one antiplatelet agent
Vascular death · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.84 [0.54, 1.3]10 studies · 12831 participantsModerate
Dual vs one antiplatelet agent
Myocardial infarction · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 1.38 [0.63, 2.99]3 studies · 11411 participantsHigh
Dual vs one antiplatelet agent
Stroke, myocardial infarction, or vascular death · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.72 [0.64, 0.82]7 studies · 12932 participantsModerate
Dual vs one antiplatelet agent
Intracranial haemorrhage · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 1.53 [0.76, 3.06]5 studies · 11217 participantsLow
Dual vs one antiplatelet agent
Extracranial haemorrhage · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 3.08 [1.74, 5.46]6 studies · 7586 participantsHigh
Dual vs one antiplatelet agent
Ischaemic stroke · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.7 [0.61, 0.81]2 studies · 10051 participantsHigh
Multiple vs fewer antiplatelet agents
Stroke · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.73 [0.66, 0.82]14 studies · 16707 participantsModerate
Multiple vs fewer antiplatelet agents
Vascular death · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.98 [0.67, 1.45]11 studies · 15901 participantsModerate
Multiple vs fewer antiplatelet agents
Myocardial infarction · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 1.38 [0.63, 2.99]3 studies · 11411 participantsHigh
Multiple vs fewer antiplatelet agents
Stroke, myocardial infarction, or vascular death · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.72 [0.64, 0.82]7 studies · 12932 participantsModerate
Multiple vs fewer antiplatelet agents
Intracranial haemorrhage · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 1.92 [1.05, 3.5]6 studies · 14287 participantsLow
Multiple vs fewer antiplatelet agents
Extracranial haemorrhage · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 2.14 [1.79, 2.57]7 studies · 10658 participantsHigh
Multiple vs fewer antiplatelet agents
Ischaemic stroke · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
RR 0.73 [0.64, 0.83]3 studies · 13121 participantsHigh
Dual vs one antiplatelet agent
Outcomes at ≥ 3 months · preventing early recurrence after ischaemic stroke or TIA
Multiple versus fewer antiplatelet agents for preventing early recurrence after ischaemic stroke or… (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Independence in ADL post‐intervention · people with stroke
Telerehabilitation services for stroke (2020) · Cochrane
no estimate extracted2 studies · 75 participantsLow
Intervention NR
Mobility post‐intervention · people with stroke
Telerehabilitation services for stroke (2020) · Cochrane
no estimate extracted1 study · 144 participantsLow