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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)

1,105 questions in 84 reviews · Metabolic and Endocrine Disorders

current versions
No studies 434 · 39.3%Ungraded 32 · 2.9%Very low 246 · 22.3%Low 237 · 21.4%Moderate 132 · 11.9%High 24 · 2.2%

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
Total thyroidectomy vs bilateral subtotal thyroidectomy
R ate of recurrent hyperthyroidism [measured by thyroid function tests]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 0.13 [0.04, 0.44]2 studies · 300 participantsModerate
Total thyroidectomy vs bilateral subtotal thyroidectomy
Regression of Graves' ophthalmopathy [ophthalmology assessment]
Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy (2015) · Cochrane
OR 1.19 [0.64, 2.21]2 studies · 260 participantsLow
Intervention NR
Final height · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Near‐final height · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Cognitive outcomes WISC‐III test (verbal performance similarities, comprehension, block design); visuospatial performance; Rey‐Osterrieth test (complex figure copying task) · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extracted1 study · 28 participantsLow
Intervention NR
All‐cause mortality · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Health‐related quality of life · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extracted3 studies · 174 participantsModerate
Intervention NR
Socioeconomic effects · male children and adolescents with short stature
Aromatase inhibitors for short stature in male children and adolescents (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
BMI z score change (x * SD) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted3 studies · 267 participantsLow
Parent‐only interventions vs waiting list control
Health‐related quality of life · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs waiting list control
All‐cause mortality · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs waiting list control
Morbidity · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs waiting list control
Parent‐child relationship or assessment of parenting (parenting scale (PS), 30 items, scored from 1 to 7; lower scores indicate more effective parental discipline practices) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted1 study · 101 participantsLow
Parent‐only interventions vs waiting list control
Socioeconomic effects · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs minimal contact control
BMI z score change (x * SD) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted1 study · 165 participantsLow
Parent‐only interventions vs minimal contact control
Adverse events · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs minimal contact control
Health‐related quality of life (Pediatric Health‐Related Quality of Life, scale from 0 to 100; higher scores indicate better HRQoL) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted1 study · 93 participantsUngraded
Parent‐only interventions vs minimal contact control
All‐cause mortality · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs minimal contact control
Morbidity · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
Adverse events · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs minimal contact control
Parent‐child relationship or assessment of parenting (Child Feeding Questionnaire subscale parental concern (total of 7 subscales), score range 3‐15; higher scores indicate greater parental concern) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted1 study · 93 participantsLow
Parent‐only interventions vs minimal contact control
Socioeconomic effects · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐only interventions
BMI z score change (x * SD) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted5 studies · 467 participantsLow
Parent‐only interventions vs parent‐only interventions
Adverse events · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐only interventions
Health‐related quality of life · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐only interventions
All‐cause mortality · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐only interventions
Morbidity · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐only interventions
Parent‐child relationship or assessment of parenting (Alabama Parenting Questionnaire, 35 items; higher scores indicate improvement) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted1 study · 106 participantsUngraded
Parent‐only interventions vs parent‐only interventions
Socioeconomic effects · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
Health‐related quality of life · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
All‐cause mortality · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
Morbidity · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
Parent‐child relationship or assessment of parenting · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs parent‐child interventions
Socioeconomic effects · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Parent‐only interventions vs waiting list control
BMI z score change (x * SD) · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extracted2 studies · 136 participantsLow
Parent‐only interventions vs waiting list control
Adverse events · children with overweight or obesity
Parent‐only interventions for childhood overweight or obesity in children aged 5 to 11 years (2015) · Cochrane
no estimate extractedNRNo studies
Surgery vs no surgery
BMI at study end [kg/m²] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted5 studies · 582 participantsModerate
Laparoscopic gastric bypass vs laparoscopic adjustable gastric banding
Mortality · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted2 studies · 301 participantsModerate
Laparoscopic gastric bypass vs laparoscopic adjustable gastric banding
Serious adverse events (SAEs) · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extractedNRNo studies
Laparoscopic gastric bypass vs laparoscopic adjustable gastric banding
Reoperations [%] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted2 studies · 240 participantsVery low
Laparoscopic Roux‐en‐Y gastric bypass vs laparoscopic sleeve gastrectomy
BMI at study end [kg/m²] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted6 studies · 353 participantsLow
Laparoscopic Roux‐en‐Y gastric bypass vs laparoscopic sleeve gastrectomy
Health‐related quality of life · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted1 study · 217 participantsVery low
Laparoscopic Roux‐en‐Y gastric bypass vs laparoscopic sleeve gastrectomy
Comorbidities: diabetes [different definitions used] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted6 studies · 353 participantsLow
Laparoscopic Roux‐en‐Y gastric bypass vs laparoscopic sleeve gastrectomy
Mortality · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted6 studies · 600 participantsModerate
Laparoscopic Roux‐en‐Y gastric bypass vs laparoscopic sleeve gastrectomy
Serious adverse events (SAEs) [%] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted1 study · 217 participantsVery low
Laparoscopic Roux‐en‐Y gastric bypass vs laparoscopic sleeve gastrectomy
Reoperations [%] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted2 studies · 277 participantsVery low
Gastric bypass vs biliopancreatic diversion with duodenal switch (laparoscopic or open)
BMI reduction at study end [kg/m²] · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted2 studies · 107 participantsModerate
Surgery vs no surgery
Health‐related quality of life Short Form Health Survey (SF‐36) · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted2 studies · 140 participantsModerate
Gastric bypass vs biliopancreatic diversion with duodenal switch (laparoscopic or open)
Health‐related quality of life · participants with obesity
Surgery for weight loss in adults (2014) · Cochrane
no estimate extracted1 study · 60 participantsVery low