Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

124 questions · 132 findings · 20 reviews

No studies found 28 · 21.2%GRADE not reported 14 · 10.6%Very low 23 · 17.4%Low 45 · 34.1%Moderate 19 · 14.4%High 3 · 2.3%

Non‐vitamin‐K‐antagonist oral anticoagulants vs placebo

Apixaban (all doses combined) vs placebo · adults after AMI without an indication for anticoagulation
3 findings from 1 review

Non‐vitamin‐K‐antagonist oral anticoagulants vs placebo

Rivaroxaban (all doses combined) vs placebo · adults after AMI without an indication for anticoagulation
3 findings from 1 review

Non‐vitamin‐K‐antagonist oral anticoagulants vs placebo

Dabigatran (all doses combined) vs placebo · adults after AMI without an indication for anticoagulation
3 findings from 1 review

Vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic acid, acitretin) vs placebo or no treatment

Malignant transformation (oral cancer development) · People with a diagnosis of oral leukoplakia

It is very uncertain whether vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic… changes oral cancer development compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Vitamin A or retinoids (systemic or topical; incl. 13-cis-retinoic acid, acitretin) vs placebo or no treatment

Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes
    4 to 12 months
    SoF 1, Clinical resolution (not completely resolved) at 4 to 12 months: 'Studies could not be combined in meta-analysis. One study evaluated topical treatment and did not find evidence of benefit; 3 studies of systemic…
    4 studies
    GRADE not reported

Vitamin D vs placebo or control

Femoral neck bone mineral density (FN-BMD) · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in femoral neck, Community-dwelling adults: WMD 1.10 (95% CI 0.40 to 1.90), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Vitamin D vs placebo or no intervention

Adverse effect: hypercalciuria As defined by trialists Time frame: 3 months · children under 5 years of age

Vitamin D showed no clear difference in adverse effect: hypercalciuria As defined by trialistsTime frame:… compared with placebo or no intervention (moderate certainty).

1 finding from 1 review