Findings

What do systematic reviews say?

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

2,261 questions · 2,280 findings · 114 reviews · Cystic Fibrosis and Genetic Disorders

No studies found 856 · 37.5%GRADE not reported 58 · 2.5%Very low 550 · 24.1%Low 502 · 22%Moderate 271 · 11.9%High 43 · 1.9%

Pine bark extract vs placebo

Withdrawal from study because of pine bark extract supplements · patients with osteoarthritis of the knee

Pine bark extract showed no clear difference in withdrawal from study because of pine bark extract supplements compared with placebo (moderate certainty).

1 finding from 1 review