Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

948 questions · 998 findings · 100 reviews · Headline outcomes only

No studies found 233 · 23.3%GRADE not reported 40 · 4%Very low 203 · 20.3%Low 271 · 27.2%Moderate 176 · 17.6%High 75 · 7.5%

Dietary supplements vs placebo

Dill seed versus placebo Pain score · women with moderate or severe primary dysmenorrhoea
3 findings from 1 review

Chinese herbal medicines plus western medicine vs Western medicine

New fractures · patients with osteoporosis

It is very uncertain whether chinese herbal medicines plus western medicine changes new fractures (Xianlinggubao capsule (low‐dose) plus calcium and… compared with western medicine (very low certainty).

3 findings from 1 review