Findings

What do systematic reviews say?

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

3,584 questions · 3,695 findings · 567 reviews

No studies found 784 · 21.2%GRADE not reported 308 · 8.3%Very low 1,036 · 28%Low 971 · 26.3%Moderate 440 · 11.9%High 156 · 4.2%

Platelet-rich fibrin (PRF) graft vs No grafting

Radiographic healing - 1 year · People requiring retreatment of periapical lesions (failed root canal therapy)
1 finding from 1 review
  • Angerame 2015 (7 test, 4 control): no significant difference in healing of the lesion at 1 year; significant difference only at 2- and 3-month follow-up. Small preliminary study; no robust pooled analysis.
    1 study · 11 participants
    GRADE not reported

Summary of findings: nitric oxide vs placebo

FEV1 (% predicted): mean change from baseline · children (12 or over) and young adults with cystic fibrosis

Summary of findings: nitric oxide showed no clear difference in respiratory function mean change in FEV1 % predicted from baseline compared with placebo (low certainty).

1 finding from 1 review