Findings

What do systematic reviews say?

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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%

Pine bark extract vs placebo

Improvement of asthma symptoms; · children and adults with asthma diagnosed by American Thoracic Society criteria

It is very uncertain whether pine bark extract changes decrease in asthma symptoms compared with placebo (very low certainty).

1 finding from 1 review

Pine bark extract vs placebo

Participants off albuterol inhaler · children and adults with asthma diagnosed by American Thoracic Society criteria

It is very uncertain whether pine bark extract changes participants off albuterol inhaler compared with placebo (very low certainty).

1 finding from 1 review

Antithrombin vs no thromboprophylaxis

Major bleeding · ambulatory paediatric cancer patients newly diagnosed with acute lymphoblastic leukaemia who received chemotherapy

It is very uncertain whether antithrombin changes major bleeding compared with no thromboprophylaxis (very low certainty).

1 finding from 1 review