Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,288 questions · 3,354 findings · 516 reviews · Headline outcomes only

No studies found 720 · 21.5%GRADE not reported 164 · 4.9%Very low 950 · 28.3%Low 932 · 27.8%Moderate 434 · 12.9%High 154 · 4.6%

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Cost‐effectiveness of interventions · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Cost‐effectiveness of interventions · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Suicide (Observation period ‐ pre‐intervention: 89 years; postintervention 78.5 years) · adults or children of all ethnicities

The intervention may leads to lower suicide (Observation period ‐ pre‐intervention: 89 years;… (low certainty).

1 finding from 1 review

Intervention not reported

Attempted suicide · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Study withdrawal · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Change in hospital admission rates · adults or children of all ethnicities

The review found no eligible studies for this question.

1 finding from 1 review

Antibiotic prophylaxis vs placebo, no treatment or surveillance only

Number of participants with symptomatic UTI · primary VUR

Antibiotic prophylaxis showed no clear difference in symptomatic UTI by 1 to 2 years: antibiotics versus no prophylaxis compared with surveillance or no treatment (low certainty).

2 findings from 1 review

Surgical reimplantation of ureters plus antibiotics vs antibiotics alone

New renal parenchymal defects (scars and thinning) on IVP: unit of analysis (children) at 4 to 5 years: surgical correction + antibiotics versus antibiotics alone · primary VUR

Surgical reimplantation of ureters plus antibiotics showed no clear difference in new renal parenchymal defects (scars and thinning) on IVP: unit of… compared with antibiotics alone (moderate certainty).

1 finding from 1 review

Surgical reimplantation of ureters plus antibiotics vs antibiotics alone

Correction of VUR: unit of analysis (children) after 3 years: surgical correction + antibiotics versus antibiotics alone · primary VUR

It is very uncertain whether surgical reimplantation of ureters plus antibiotics changes correction of VUR: unit of analysis (children) after 3 years:… compared with antibiotics alone (very low certainty).

1 finding from 1 review

Endoscopic injection treatment vs antibiotics alone

Febrile UTI by 1 to 2 years: endoscopic correction + antibiotics versus antibiotics alone · primary VUR

Endoscopic injection treatment showed no clear difference in febrile UTI by 1 to 2 years: endoscopic correction + antibiotics… compared with antibiotics alone (low certainty).

1 finding from 1 review

Endoscopic injection treatment vs antibiotics alone

Total new and progressive Renal parenchymal abnormalities on DMSA scan at 1 to 2 years: endoscopic correction + antibiotics versus antibiotics alone (unit of analysis: children) · primary VUR

Endoscopic injection treatment showed no clear difference in total new and progressive Renal parenchymal abnormalities on DMSA… compared with antibiotics alone (low certainty).

1 finding from 1 review