Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,696 questions · 3,815 findings · 855 reviews

No studies found 573 · 15%GRADE not reported 374 · 9.8%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

Febuxostat 120 mg/day vs placebo

Serious adverse events · patients with chronic cout

Febuxostat 120 mg/day showed no clear difference in serious Adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Febuxostat 120 mg/day vs placebo

Withdrawals due to adverse events · patients with chronic cout

Febuxostat 120 mg/day showed no clear difference in discontinuations due to adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Febuxostat 120 mg/day vs allopurinol

Serum uric acid <6.0 mg/dL at final visit · people with chronic gout

Febuxostat 120 mg/day probably leads to higher serum uric acid <6.0 mg/dL at final visit compared with allopurinol (moderate certainty).

1 finding from 1 review

Febuxostat 120 mg/day vs allopurinol

Withdrawals due to adverse events · people with chronic gout

Febuxostat 120 mg/day showed no clear difference in discontinuations due to adverse events compared with allopurinol (high certainty).

1 finding from 1 review

Xylitol candy (7.5 g/day) vs Control (sorbitol) candy

Caries increment (dmfs, primary and permanent teeth combined) · Children (mixed dentition; baseline about 8 years)
1 finding from 1 review

Xylitol lozenges (5 g/day) vs placebo control

Adverse effects (sores in the mouth, cramps, bloating, constipation, flatulence, loose stool or diarrhoea) · adults
1 finding from 1 review

ULTRA LOW DOSE (<2 mg/day) vs ANY DOSE ‐ short term

Leaving the study early: any reason ‐ when compared with high dose ( greater than or equal to 10 mg) · patients with schizophrenia

ULTRA LOW DOSE (<2 mg/day) showed no clear difference in leaving the study early: Any reason ‐ when compared with high dose… compared with ANY DOSE ‐ short term (moderate certainty).

1 finding from 1 review