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Evidence found and GRADE certainty

3,231 questions · 3,354 findings · 394 reviews

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No studies found 803 · 23.9%GRADE not reported 267 · 8%Very low 757 · 22.6%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Febuxostat 40 mg/day vs allopurinol

Withdrawals due to adverse events · people with chronic gout

Febuxostat 40 mg/day showed no clear difference in discontinuations due to adverse events compared with allopurinol (high certainty).

1 finding from 1 review

Febuxostat 80 mg/day vs allopurinol

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

Febuxostat 80 mg/day may leads to higher serum uric acid <6.0 mg/dL at final visit compared with allopurinol (low certainty).

1 finding from 1 review

Febuxostat 80 mg/day vs allopurinol

Serious adverse events · people with chronic gout

Febuxostat 80 mg/day showed no clear difference in serious Adverse Events compared with allopurinol (moderate certainty).

1 finding from 1 review

Febuxostat 80 mg/day vs allopurinol

Withdrawals due to adverse events · people with chronic gout

Febuxostat 80 mg/day showed no clear difference in discontinuations due to adverse events compared with allopurinol (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

Betamethasone oral mini-pulse therapy vs Topical triamcinolone acetonide paste

Investigator‐ or physician‐rated global assessment of disease severity · People with erosive oral lichen planus

Betamethasone oral mini-pulse therapy led to higher physician Global Assessment (clinical severity, 0-12 score) compared with topical triamcinolone acetonide 0.1% paste; GRADE not reported.

1 finding from 1 review

Mixed beam (neutron and photon) radiotherapy vs Conventional photon radiotherapy

Locoregional control · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Mixed beam (neutron and photon) radiotherapy showed no clear difference in locoregional control compared with conventional photon radiotherapy; GRADE not reported.

1 finding from 1 review