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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.
240 questions in 36 reviews · Dementia and Cognitive Improvement
current versionsNo studies 240 · 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 |
|---|---|---|---|
NaoMaiTai vs Western medicine Cognition‐ADAS‐Cog ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
NaoMaiTai vs Western medicine Global performance (improved) ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
FuFangDanShen vs 'no treatment' Global performance (improved) ‐ not measured · people with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
NaoMaiTai vs Western medicine Activities of Daily Living (ADL) ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
NaoMaiTai vs Western medicine Behaviour ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
NaoXinTong vs Western medicine Cognition‐ADAS‐Cog ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
NaoXinTong vs Western medicine Behaviour ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
QingKaiLing vs Western medicine Cognition‐MMSE ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
QingKaiLing vs Western medicine Cognition‐ADAS‐Cog ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
QingKaiLing vs Western medicine Global performance (improved) ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
QingKaiLing vs Western medicine Adverse events (AEs) (one or more events) ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
QingKaiLing vs Western medicine Activities of Daily Living (ADL) ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
QingKaiLing vs Western medicine Behaviour ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
ShenFuTang vs Western medicine Cognition‐HDS ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
ShenFuTang vs Western medicine Cognition‐ADAS‐Cog ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
ShenFuTang vs Western medicine Global performance (improved) ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
ShenFuTang vs Western medicine Behaviour ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
TongXingLuo vs Western medicine Cognition‐HDS ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
TongXingLuo vs Western medicine Cognition‐ADAS‐Cog ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
TongXingLuo vs Western medicine Activities of Daily Living (ADL) ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
FuFangDanShen vs 'no treatment' Behaviour ‐ not measured · people with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
TongXingLuo vs Western medicine Behaviour ‐ only measured in one study · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
FuFangHaiShe vs 'no treatment' Cognition‐HDS ‐ not measured · People with vascular dementia Traditional Chinese herbal medicine for vascular dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for spaced retrieval combined with errorless learning training programme for people with dementia vs spaced retrieval only training programme Nutritional status not measured · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for spaced retrieval combined with errorless learning training programme for people with dementia vs spaced retrieval only training programme Mealtime behaviour not measured · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for spaced retrieval combined with errorless learning training programme for people with dementia vs spaced retrieval only training programme CI: confidence interval · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for feeding skills training programme for nurses vs no intervention Nutritional status not measured · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for additional food items between meals vs usual care Mealtime behaviour not measured · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for verbal and physical encouragement by touch vs only verbal encouragement during meals Nutritional status not measured · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings for verbal and physical encouragement by touch vs only verbal encouragement during meals Mealtime behaviour not measured · people with dementia Environmental and behavioural modifications for improving food and fluid intake in people with dementia (2018) · Cochrane | no estimate extracted | NR | No studies |
B vitamins vs placebo Incidence of dementia ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E vs placebo Quality of life ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E + vitamin C vs placebo Incidence of dementia ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E + vitamin C vs placebo Episodic memory ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E + vitamin C vs placebo Executive function ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E + vitamin C vs placebo Speed of processing ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E + vitamin C vs placebo Quality of life ‐ not measured · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E + vitamin C vs placebo Mortality ‐ not reported · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
B vitamins vs placebo Mortality ‐ not reported · MCI Vitamin and mineral supplementation for preventing dementia or delaying cognitive decline in people with… (2018) · Cochrane | no estimate extracted | NR | No studies |
Complex multivitamin vs control Incidence of MCI or all‐cause dementia ‐ not measured · cognitively healthy people in mid and late life Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid… (2018) · Cochrane | no estimate extracted | NR | No studies |
Modafinil vs placebo Adverse Events ‐ reported, but not analyzed in this review · Apathy in people with mild‐to‐moderate Alzheimer's disease Pharmacological interventions for apathy in Alzheimer's disease (2018) · Cochrane | no estimate extracted | NR | No studies |
Modafinil vs placebo Change in NPS ‐ not investigated · Apathy in people with mild‐to‐moderate Alzheimer's disease Pharmacological interventions for apathy in Alzheimer's disease (2018) · Cochrane | no estimate extracted | NR | No studies |
Modafinil vs placebo Change in cognition ‐ not investigated · Apathy in people with mild‐to‐moderate Alzheimer's disease Pharmacological interventions for apathy in Alzheimer's disease (2018) · Cochrane | no estimate extracted | NR | No studies |
Modafinil vs placebo Change in global disease severity ‐ not investigated · Apathy in people with mild‐to‐moderate Alzheimer's disease Pharmacological interventions for apathy in Alzheimer's disease (2018) · Cochrane | no estimate extracted | NR | No studies |
Modafinil vs placebo Dropouts ‐ reported, but not analyzed in this review · Apathy in people with mild‐to‐moderate Alzheimer's disease Pharmacological interventions for apathy in Alzheimer's disease (2018) · Cochrane | no estimate extracted | NR | No studies |
Cholinesterase inhibitors (rivastigmine) vs placebo Severity of delirium CAM negative · people with delirium Cholinesterase inhibitors for the treatment of delirium in non‐ICU settings (2018) · Cochrane | no estimate extracted | NR | No studies |
Cholinesterase inhibitors (rivastigmine) vs placebo Persistent cognitive impairment · people with delirium Cholinesterase inhibitors for the treatment of delirium in non‐ICU settings (2018) · Cochrane | no estimate extracted | NR | No studies |
Cholinesterase inhibitors (rivastigmine) vs placebo Length of hospitalisation · people with delirium Cholinesterase inhibitors for the treatment of delirium in non‐ICU settings (2018) · Cochrane | no estimate extracted | NR | No studies |
Cholinesterase inhibitors (rivastigmine) vs placebo Cost of intervention · people with delirium Cholinesterase inhibitors for the treatment of delirium in non‐ICU settings (2018) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E (capsules 2000 IU/day in two divided doses) vs placebo Cognitive function Mean change from baseline of ADAS‐Cog Scale from: 0 to 70 · people with mild cognitive impairment Vitamin E for Alzheimer's dementia and mild cognitive impairment (2017) · Cochrane | no estimate extracted | NR | No studies |