Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

510 questions · 532 findings · 49 reviews · Headline outcomes only

No studies found 120 · 22.6%GRADE not reported 34 · 6.4%Very low 146 · 27.4%Low 138 · 25.9%Moderate 75 · 14.1%High 19 · 3.6%

Potassium citrate vs no intervention

Proportion of participants who developed a new urinary stone · children with idiopathic urinary calculi treated with shockwave lithotripsy

Potassium citrate may leads to lower proportion of participants who developed a new urinary stone compared with no intervention (low certainty).

1 finding from 1 review

Intervention not reported

Salt intake in grams per day ‐ all eligible studies that provided sufficient data for quantitative analysis of overall impact (n = 10 countries) · ‐level interventions in national government jurisdictions to reduce sodium consumption
1 finding from 1 review

Intervention not reported

Salt intake in grams per day ‐ subset of initiatives that are multi‐component and incorporate activities of a structural nature (n = 7 countries) · ‐level interventions in national government jurisdictions to reduce sodium consumption
1 finding from 1 review