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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)

1,361 questions in 120 reviews · Developmental, Psychosocial and Learning Problems

current versions
No studies 286 · 21%Ungraded 61 · 4.5%Very low 381 · 28%Low 381 · 28%Moderate 228 · 16.8%High 24 · 1.8%

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
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Parental stress (total stress scores) · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Changes in parental behaviour/responsivity · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Socialisation · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Language attrition · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Adherence to treatment · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated intervention vs treatment
Receptive language (total language; standard scores) · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Parent‐mediated intervention vs treatment
Parental stress · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated intervention vs treatment
Changes in parental behaviour/responsivity · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted2 studies · 27 participantsVery low
Parent‐mediated intervention vs treatment
Socialisation · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 15 participantsVery low
Parent‐mediated intervention vs treatment
Language attrition · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted2 studies · 27 participantsVery low
Parent‐mediated intervention vs treatment
Adherence to treatment · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 12 participantsVery low
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Expressive language (number of words; standard scores; MLUw; NDW; IPSyn; frequency of unique targets; % target talk) · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐ and clinician‐mediated intervention vs clinician‐mediated intervention alone
Receptive language (total language; standard scores) · children with Down syndrome aged between birth and six years
Parent‐mediated interventions for promoting communication and language development in young children with… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Summary of findings: focused playtime intervention vs treatment
Spoken communication Measured by: Mullen Scale of Early Learning: Expressive Language Index (MSEL: log (base 2) transformed age equivalent scores) · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extracted1 study · 70 participantsVery low
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Spoken communication Measured by: frequency of speech, including non‐word vocalisations (expressed as rates per minute)a · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
OR 1.11 study · 84 participantsVery low
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Non‐verbal communication/AAC Measured by: frequency of use of PECS symbols (expressed as rates per minute)a · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
OR 3.91 study · 84 participantsVery low
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Combined spoken and non‐verbal communication/AAC Measured by: verbal and non‐verbal initiations (expressed as rates per minute)a · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
OR 2.731 study · 84 participantsVery low
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Adverse events · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Social communication or pragmatic language Measured by: reciprocal social interaction (ADOS‐G domain scores)a · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
OR 0.551 study · 84 participantsVery low
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Other communication skills · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Quality of life for the individual or their family and parent satisfaction · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Picture Exchange Communication System (PECS) vs treatment
Non‐core aspects of behaviour and function · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Non‐verbal communication/AAC · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Combined spoken and non‐verbal communication/AAC · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Adverse events · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Social communication and pragmatic language skills · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Other communication skills · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Quality of life for the individual or their family and parent satisfaction · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
Non‐core aspects of behaviour and function · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: focused playtime intervention vs treatment
CI: confidence interval. · minimally verbal children with autism spectrum disorder
Communication interventions for autism spectrum disorder in minimally verbal children (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Trihexyphenidyl vs placebo
Change in dystonia from baseline Measured by: BADS (eight body regions assessed for dystonia on a five‐point scale (0 = none to 4 = severe), minimum score 0 to maximum score 32; higher score = greater severity of dystonia) · children with dystonic cerebral palsy
Trihexyphenidyl for dystonia in cerebral palsy (2018) · Cochrane
no estimate extracted16 participantsLow
Summary of findings: Trihexyphenidyl vs placebo
Adverse effectsb (mood disturbance, irritability, behavioural change, constipation) Measured by: counts of number and type · children with dystonic cerebral palsy
Trihexyphenidyl for dystonia in cerebral palsy (2018) · Cochrane
RR 2.54 [1.38, 4.67]16 participantsLow
Summary of findings: Trihexyphenidyl vs placebo
Participation in activities of daily living:individual goal setting Measured by: GAS (up to 5 functional goals scored on a 5‐point scale (−2 = much less than expected to +2 = much more than expected); higher score = better than expected outcome) · children with dystonic cerebral palsy
Trihexyphenidyl for dystonia in cerebral palsy (2018) · Cochrane
no estimate extracted16 participantsLow
Summary of findings: Trihexyphenidyl vs placebo
Participation in activities of daily living:satisfaction with individual goals Measured by: satisfaction subscale of the COPM (satisfaction with performance in up to 5 problem areas scored on a 10‐point scale (1 = not satisfied at all to 10 = extr... · children with dystonic cerebral palsy
Trihexyphenidyl for dystonia in cerebral palsy (2018) · Cochrane
no estimate extracted16 participantsLow
Summary of findings: Trihexyphenidyl vs placebo
Participation in activities of daily living:performance of individual goals Measured by: performance subscale of the COPM (up to five problem areas scored on a 10‐point scale (1 = not able to do to 10 = able to do extremely well; higher score = be... · children with dystonic cerebral palsy
Trihexyphenidyl for dystonia in cerebral palsy (2018) · Cochrane
no estimate extracted16 participantsLow
Summary of findings: Trihexyphenidyl vs placebo
Quality of life · children with dystonic cerebral palsy
Trihexyphenidyl for dystonia in cerebral palsy (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated communication intervention vs no intervention
Children's ability to communicate effectively in everyday life: taking turns in conversation, initiating conversation and responding to others' conversational gambits · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐mediated communication intervention vs no intervention
Compliance with treatment · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated communication intervention vs no intervention
Adverse events · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated communication intervention vs no intervention
Child outcomes · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated communication intervention vs no intervention
Speech and language function · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extracted1 study · 20 participantsVery low
Parent‐mediated communication intervention vs no intervention
Children's generic participation: social · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated communication intervention vs no intervention
Parent outcomes · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extractedNRNo studies
Parent‐mediated communication intervention vs no intervention
Parents' communication and interaction strategies: directiveness and responsiveness · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐mediated communication intervention vs no intervention
Family stress and coping: parent stress · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extracted1 study · 18 participantsVery low
Parent‐mediated communication intervention vs no intervention
Satisfaction of child and family with treatment · children up to 5 years of age with a communication difficulty associated with any non‐progressive motor disorder…
Parent‐mediated communication interventions for improving the communication skills of preschool children… (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: lipid‐based nutrient supplements (LNS) vs iron folic acid (IFA)
Gestational weight gain per week (from < 20 weeks gestation till the time of delivery) · pregnant women
Lipid‐based nutrient supplements for maternal, birth, and infant developmental outcomes (2018) · Cochrane
no estimate extracted2 studies · 3539 participantsModerate
Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)
Maternal mortality (measured at six weeks postpartum) · pregnant women
Lipid‐based nutrient supplements for maternal, birth, and infant developmental outcomes (2018) · Cochrane
no estimate extractedNRNo studies
Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)
Low birth weight (< 2500 g) · pregnant women
Lipid‐based nutrient supplements for maternal, birth, and infant developmental outcomes (2018) · Cochrane
RR 0.92 [0.74, 1.14]3 studies · 2404 participantsModerate
Summary of findings: lipid‐based nutrient supplements (LNS) vs multiple micronutrients (MMN)
Length at birth (in cm) · pregnant women
Lipid‐based nutrient supplements for maternal, birth, and infant developmental outcomes (2018) · Cochrane
no estimate extracted3 studies · 2567 participantsModerate