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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
Constraint induced movement therapy (CIMT) vs different forms CIMT
Individualised measures of performance ‐ not measured · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extractedNRNo studies
Constraint induced movement therapy (CIMT) vs different forms CIMT
Adverse events · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extracted3 studies · 94 participantsUngraded
Constraint induced movement therapy (CIMT) vs low‐dose comparison
Unimanual capacity · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extracted2 studies · 103 participantsVery low
Constraint induced movement therapy (CIMT) vs low‐dose comparison
Manual ability ‐ not measured · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extractedNRNo studies
Constraint induced movement therapy (CIMT) vs low‐dose comparison
Self‐care ‐ not measured · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extractedNRNo studies
Constraint induced movement therapy (CIMT) vs low‐dose comparison
Individualised measures of performance ‐ not measured · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extractedNRNo studies
Constraint induced movement therapy (CIMT) vs low‐dose comparison
Adverse events · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extracted16 studies · 454 participantsUngraded
Constraint induced movement therapy (CIMT) vs high‐dose comparison
Bimanual performance · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extracted3 studies · 126 participantsLow
Constraint induced movement therapy (CIMT) vs high‐dose comparison
Unimanual capacity · children with unilateral cerebral palsy
Constraint‐induced movement therapy in children with unilateral cerebral palsy (2019) · Cochrane
no estimate extracted1 study · 43 participantsVery low
Social skills training vs no intervention
Teacher‐rated social skills Measured by: Conners Behavior Rating Scale: Social Problems Index; Strength and Difficulties Questionnaire: Prosocial Behaviour Subscale (teacher‐rated); Social Skills Improvement System; Social Skills Rating Scale: Coo... · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted11 studies · 1271 participantsVery low
Social skills training vs no intervention
Parent‐rated social skills Measured by: Social Skills Rating Scale; Weiss Functional Impairment Scale: Social Acitivities Domain (parent‐rated); Strength and Difficulties Questionnaire: Prosocial Behavior Subscale; Social Skills Improvement System · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted15 studies · 1609 participantsVery low
Social skills training vs no intervention
Teacher‐rated emotional competencies Measured by: Strengths and Difficulties Questionnaire: Emotional Symptoms Subscale; Conners Behavior Rating Scale: Emotional Index Score · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted129 participantsVery low
Social skills training vs no intervention
Teacher‐rated general behaviour Measured by: Self‐Control Rating Scale; Conners Behavior Rating Scale: Aggressiveness Index; Disruptive Behavior Disorders Rating Scale; Conners Teacher Rating Scale: Conduct Problems Index; Strengths and Difficulti... · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted1002 participantsLow
Social skills training vs no intervention
Parent‐rated general behaviour Measured by: Strengths and Difficulties Questionnaire (parent‐rated; total scores); Conners Behavior Rating Scale: Aggressiveness Index; Disruptive Behavior Disorders Rating Scale; Behavior Rating Inventory of Execut... · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted995 participantsVery low
Social skills training vs no intervention
Teacher‐rated ADHD symptoms Measured by: Disruptive Behavior Disorders Rating Scale; ADHD Rating Scales: Hyperactivity and Impulsivity Subscales (total scores); Conner Teacher Rating Scale: Hyperactivity Index; Strengths and Weaknesses of ADHD Sym... · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted14 studies · 1379 participantsVery low
Social skills training vs no intervention
Parent‐rated ADHD symptoms Measured by: Conners Parent Rating Scale: Hyperkinesis Index; Disruptive Behavior Disorders Rating Scale; Strengths and Weaknesses of ADHD Symptoms and Normal Behaviors; Sluggish Cognitive Tempo; ADHD Symptom Checklist; ... · children aged five to 18 years with ADHD
Social skills training for attention deficit hyperactivity disorder (ADHD) in children aged 5 to 18 years (2019) · Cochrane
no estimate extracted11 studies · 1206 participantsVery low
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs an alternative dietary approach
Recovery during intervention defined as achieving WHZ ≥ −2 and absence of oedema in 1 study; reaching a WHZ score > −2 and without oedema in 1 study; WHZ > −2 in 1 study; having a WHZ score ≥ 0 in 1 study; reaching 100% weight for height in 1 stud... · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 1.33 [1.16, 1.54]6 studies · 1852 participantsModerate
Standard ready‐to‐use therapeutic food (RUTF) vs RUTF using an alternative formulation
Relapse during intervention defined as admission to inpatient therapeutic care, remain wasted, and dropouts during intervention period · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 0.84 [0.72, 0.98]6 studies · 4188 participantsHigh
Standard ready‐to‐use therapeutic food (RUTF) vs RUTF using an alternative formulation
Mortality during intervention · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 1 [0.8, 1.24]7 studies · 4309 participantsModerate
Standard ready‐to‐use therapeutic food (RUTF) vs RUTF using an alternative formulation
Rate of weight gain (g/kg/day) during intervention defined as change over first 4, 8, 10, 16 weeks of the intervention period in 4 studies; change until end of intervention period (no maximum number of weeks applied) in 1 study; and regression ana... · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
no estimate extracted6 studies · 3807 participantsLow
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs an alternative dietary approach
Relapse during intervention defined as admission to inpatient therapeutic care or recurrence of oedema or systematic infections during the study period, and dropouts during intervention period · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 0.55 [0.3, 1.01]4 studies · 1505 participantsVery low
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs an alternative dietary approach
Mortality during intervention · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 1.05 [0.51, 2.16]4 studies · 1505 participantsVery low
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs an alternative dietary approach
Rate of weight gain (g/kg/day) during intervention 3 studies measured weight gain during the first 4 weeks of the intervention period and 1 study until recovery or 16 weeks after enrolment, whichever was earlier · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
no estimate extracted4 studies · 1450 participantsLow
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs as a supplement to the usual diet
Recovery during intervention defined as WHZ > 0 in 1 study; 100% weight for height in 1 study · children aged 6 months‐5 years with SAM (1 study included HIV‐uninfected children; 1 study included HIV‐infected…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 1.41 [1.19, 1.68]2 studies · 210 participantsLow
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs as a supplement to the usual diet
Relapse during intervention defined as admission to inpatient therapeutic care or recurrence of oedema or systematic infections during the study period, and dropouts during intervention period · children aged 6 months‐5 years with SAM (1 study included HIV‐uninfected children; 1 study included HIV‐infected…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 0.11 [0.01, 0.85]2 studies · 210 participantsLow
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs as a supplement to the usual diet
Mortality during intervention · children aged 6 months‐5 years with SAM (1 study included HIV‐uninfected children; 1 study included HIV‐infected…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 1.36 [0.46, 4.04]2 studies · 210 participantsVery low
Standard ready‐to‐use therapeutic food (RUTF) provided at a dose that meets total daily nutritional requirements vs as a supplement to the usual diet
Rate of weight gain (g/kg/day) during intervention defined as change between baseline and week 4 of the intervention period · children aged 6 months‐5 years with SAM (1 study included HIV‐uninfected children; 1 study included HIV‐infected…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
no estimate extracted2 studies · 206 participantsVery low
Standard ready‐to‐use therapeutic food (RUTF) vs RUTF using an alternative formulation
Recovery during intervention defined as weight gain ≥ 15% in relation to baseline weight, absence of complications and oedema, and MUAC > 110 mm in 2 studies; MUAC > 12.4 cm without oedema in 1 study; WHZ ≥ 80% for two consecutive visits in 1 stud... · children aged 6 months‐5 years with SAM (and mixed HIV comorbidity), some of whom had been stabilised as inpatients…
Ready‐to‐use therapeutic food (RUTF) for home‐based nutritional rehabilitation of severe acute malnutrition… (2019) · Cochrane
RR 1.03 [0.99, 1.08]6 studies · 4188 participantsHigh
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
Anaemia (haemoglobin concentration below a cut‐off defined by the trialists, adjusted by altitude and smoking as appropriate) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 0.65 [0.49, 0.87]11 studies · 3135 participantsLow
Intermittent iron supplementation vs daily iron supplementation
Iron deficiency (as defined by the trialists using indicators of iron status such as ferritin or transferrin) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 4.3 [0.56, 33.2]1 study · 198 participantsVery low
Intermittent iron supplementation vs daily iron supplementation
Ferritin (µg/L) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
no estimate extracted4 studies · 988 participantsLow
Intermittent iron supplementation vs daily iron supplementation
Iron deficiency anaemia (as defined by the presence of anaemia plus iron deficiency, diagnosed with an indicator of iron status selected by the trialists) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intermittent iron supplementation vs daily iron supplementation
All‐cause morbidity (the most frequent event associated with the intervention, independent of the cause, as defined by the trialists) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
Intermittent iron supplementation vs daily iron supplementation
Any adverse side effects · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 0.41 [0.21, 0.82]6 studies · 1166 participantsLow
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
Haemoglobin (g/L) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
no estimate extracted15 studies · 2886 participantsModerate
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
Iron deficiency (as defined by trialists by using indicators of iron status such as ferritin or transferrin) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 0.5 [0.24, 1.04]3 studies · 624 participantsLow
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
Ferritin (µg/L) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
no estimate extracted7 studies · 1067 participantsLow
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
Iron deficiency anaemia (as defined by the presence of anaemia plus iron deficiency diagnosed with an indicator of iron status selected by the trialists) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 0.07 [0, 1.16]1 study · 97 participantsLow
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
All‐cause morbidity (the most frequent event associated with the intervention, independent of the cause, as defined by the trialists) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 1.12 [0.82, 1.52]1 study · 119 participantsLow
Intermittent iron supplementation (alone or with any other micronutrients) vs no supplementation or placebo
Any adverse side effects · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 1.98 [0.31, 12.72]3 studies · 630 participantsModerate
Intermittent iron supplementation vs daily iron supplementation
Anaemia (haemoglobin concentration below a cut‐off defined by the trialists, adjusted by altitude and smoking as appropriate) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
RR 1.09 [0.93, 1.29]8 studies · 1749 participantsModerate
Intermittent iron supplementation vs daily iron supplementation
Haemoglobin (g/L) · adolescent and adult menstruating women
Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and… (2019) · Cochrane
no estimate extracted10 studies · 2127 participantsLow
IPV‐OPV vs OPV
Paralytic wild polio cases (Change in slope at 3 years) · infants
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
no estimate extracted1 participantsVery low
IPV‐OPV vs IPV
Persons with protective humoral response (Range of · infants
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
RR 1 [0.99, 1.01]10 studies · 2858 participantsModerate
IPV‐OPV vs IPV
Neutralising antibodies with 2 IPV doses Geometric mean titres ( · infants
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
no estimate extracted2 studies · 363 participantsModerate
IPV‐OPV vs IPV
Persons with faecal polio excretion after OPV challenge (Range of · infants
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
RR 0.52 [0.14, 1.97]2 studies · 822 participantsVery low
IPV‐OPV vs IPV
Vaccination coverage · infants
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
IPV‐OPV vs IPV
Serious adverse events (≥ 1 symptom related to study drug or not) (Range of · infants
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
RR 0.92 [0.6, 1.43]2 studies · 1063 participantsLow
IPV(3)‐OPV vs IPV(2)‐OPV
Paralytic polio · preventing poliomyelitis
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded
IPV(3)‐OPV vs IPV(2)‐OPV
VAPP cases · preventing poliomyelitis
Sequential inactivated (IPV) and live oral (OPV) poliovirus vaccines for preventing poliomyelitis (2019) · Cochrane
no estimate extracted0 studies · 0 participantsUngraded