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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.

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Intervention or exposure

Comparison

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Review versions

1 questions in 1 reviews · cluster CL0119

current versions

No studies 1 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

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.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

Question	Effect	Evidence	Status / GRADE
Removal of predisposing habits (e.g. tobacco/alcohol cessation) vs Placebo or no treatment Outcome NR · People with a diagnosis of oral leukoplakia Interventions for treating oral leukoplakia to prevent oral cancer (2016) · Cochrane	'...nor did we identify any RCTs of risk factor cessation.' Removal of predisposing habits (e.g. smoking cessation) was a planned intervention; no eligible RCT found.	NR	No studies