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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)

1,049 questions in 79 reviews · Dementia and Cognitive Improvement

current versions
No studies 240 · 22.9%Ungraded 31 · 3%Very low 216 · 20.6%Low 253 · 24.1%Moderate 238 · 22.7%High 71 · 6.8%

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
Antiplatelet therapy vs placebo
Functional ability · s for prevention of cognitive decline and dementia in people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Antiplatelet therapy vs placebo
Stroke or transient ischaemic attack · s for prevention of cognitive decline and dementia in people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Antiplatelet therapy vs placebo
Any adverse events (excluding major bleeding) · s for prevention of cognitive decline and dementia in people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Antiplatelet therapy vs placebo
Withdrawal from study medication · s for prevention of cognitive decline and dementia in people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Dual antiplatelet therapy vs single antiplatelet therapy
Change in cognitive function from baseline · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 3020 participantsLow
Dual antiplatelet therapy vs single antiplatelet therapy
Incident dementia · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extractedNRNo studies
Dual antiplatelet therapy vs single antiplatelet therapy
Major bleeding (intracranial and extracranial) · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 3020 participantsLow
Dual antiplatelet therapy vs single antiplatelet therapy
Functional ability · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extractedNRNo studies
Dual antiplatelet therapy vs single antiplatelet therapy
Stroke or transient ischaemic attack · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 3020 participantsLow
Antiplatelet drug vs placebo
Incident dementia · s with mixed prevalence of antiplatelet drug use at baseline, for the prevention of cognitive decline and dementia in…
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extractedNRNo studies
Dual antiplatelet therapy vs single antiplatelet therapy
Any adverse events (excluding major bleeding) · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extractedNRNo studies
Dual antiplatelet therapy vs single antiplatelet therapy
Withdrawal from study medication · people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 3020 participantsLow
Antiplatelet drug vs placebo
Major bleeding (intracranial and extracranial) · s with mixed prevalence of antiplatelet drug use at baseline, for the prevention of cognitive decline and dementia in…
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 280 participantsVery low
Antiplatelet drug vs placebo
Functional ability · s with mixed prevalence of antiplatelet drug use at baseline, for the prevention of cognitive decline and dementia in…
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 280 participantsVery low
Antiplatelet drug vs placebo
Stroke or transient ischaemic attack · s with mixed prevalence of antiplatelet drug use at baseline, for the prevention of cognitive decline and dementia in…
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 280 participantsVery low
Antiplatelet drug vs placebo
Any adverse events (excluding major bleeding) · s with mixed prevalence of antiplatelet drug use at baseline, for the prevention of cognitive decline and dementia in…
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 280 participantsVery low
Antiplatelet drug vs placebo
Withdrawal from study medication · s with mixed prevalence of antiplatelet drug use at baseline, for the prevention of cognitive decline and dementia in…
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 280 participantsVery low
Antiplatelet therapy vs placebo
Change in cognitive function from baseline · s for prevention of cognitive decline and dementia in people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extracted1 study · 50 participantsVery low
Antiplatelet therapy vs placebo
Incident dementia · s for prevention of cognitive decline and dementia in people with cerebral small vessel disease and no dementia
Antithrombotic therapy to prevent cognitive decline in people with small vessel disease on neuroimaging but… (2022) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Organisational interventions vs usual care
Use of physical restraints · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted3 studies · 3 participantsVery low
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Adverse events related to the use of physical restraints · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Falls · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
RR 1.33 [0.31, 5.79]1 study · 180 participantsLow
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Fall‐related injuries · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Mobility · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted1 study · 180 participantsModerate
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Challenging behaviour · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Quality of life · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Organisational interventions vs usual care
Adverse events related to the use of physical restraints · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Organisational interventions vs usual care
Number of participants with at least one fall · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted2 studies · 1743 participantsVery low
Summary of findings table ‐ Organisational interventions vs usual care
Number of falls · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted1 study · 1 participantsLow
Summary of findings table ‐ Organisational interventions vs usual care
Fall‐related injuries · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Organisational interventions vs usual care
Mobility · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted2 studies · 1058 participantsLow
Summary of findings table ‐ Organisational interventions vs usual care
Challenging behaviour · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Organisational interventions vs usual care
Quality of life · older people
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Summary of findings table ‐ Pressure sensors in bed and chair vs usual care
Use of physical restraints · older people in general hospital settings
Interventions for preventing and reducing the use of physical restraints of older people in general hospital… (2022) · Cochrane
no estimate extracted1 study · 180 participantsModerate
Intervention NR
Pain intensity (self‐rated) · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted1 study · 246 participantsLow
Intervention NR
Pain intensity (proxy‐rated) · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted2 studies · 510 participantsLow
Intervention NR
Challenging behaviour · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Number of people with adverse events · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Number of people with serious adverse events · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Quality of life · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Performance of activities of daily living · people with dementia and mild to moderate pain
Algorithm‐based pain management for people with dementia in nursing homes (2022) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intervention NR
Cognitive decline · older adults with cognitive impairment at baseline
Anticholinergic burden for prediction of cognitive decline or neuropsychiatric symptoms in older adults with… (2022) · Cochrane
no estimate extracted10 studies · 18213 participantsVery low
Intervention NR
Neuropsychiatric outcomes · older adults with cognitive impairment at baseline
Anticholinergic burden for prediction of cognitive decline or neuropsychiatric symptoms in older adults with… (2022) · Cochrane
no estimate extracted0 participantsUngraded
Antihypertensive therapy vs placebo
Number of cases of dementia Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia
Pharmacological treatment of hypertension in people without prior cerebrovascular disease for the prevention… (2021) · Cochrane
OR 0.89 [0.72, 1.07]4 studies · 15427 participantsVery low
Antihypertensive therapy vs placebo
Change in cognitive score (MMSE) Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia
Pharmacological treatment of hypertension in people without prior cerebrovascular disease for the prevention… (2021) · Cochrane
no estimate extracted4 studies · 9435 participantsVery low
Antihypertensive therapy vs placebo
Change in systolic blood pressure level (mmHg) Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia
Pharmacological treatment of hypertension in people without prior cerebrovascular disease for the prevention… (2021) · Cochrane
no estimate extracted6 studies · 17793 participantsLow
Antihypertensive therapy vs placebo
Change in diastolic blood pressure level (mmHg) Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia
Pharmacological treatment of hypertension in people without prior cerebrovascular disease for the prevention… (2021) · Cochrane
no estimate extracted5 studies · 15209 participantsLow
Antihypertensive therapy vs placebo
Adverse effects Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia
Pharmacological treatment of hypertension in people without prior cerebrovascular disease for the prevention… (2021) · Cochrane
no estimate extracted6 studies · 16830 participantsVery low
Antihypertensive therapy vs placebo
Quality of life measured via Sickness Impact Profile, PGWB Positive well‐being, and EuroQoL Current Health Range of · participants without prior cerebrovascular disease for prevention of cognitive impairment and dementia
Pharmacological treatment of hypertension in people without prior cerebrovascular disease for the prevention… (2021) · Cochrane
no estimate extracted5 studies · 15795 participantsVery low
Complex information, support and training interventions vs usual treatment, waiting list or attention control informations
Caregiver burden · Informal caregivers of people with dementia
Remotely delivered information, training and support for informal caregivers of people with dementia (2021) · Cochrane
no estimate extracted9 studies · 597 participantsModerate