Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,695 questions · 4,979 findings · 433 reviews

No studies found 998 · 20%GRADE not reported 1,140 · 22.9%Very low 1,024 · 20.6%Low 1,029 · 20.7%Moderate 636 · 12.8%High 152 · 3.1%

Any supplements containing iron vs same supplements without iron or no treatment/placebo (no iron or placebo)

Side effects (any reported throughout the intervention period) (ALL) · pregnant women

It is very uncertain whether (Maternal outcomes) Any supplements containing iron changes side effects (any reported throughout the intervention period) (ALL) compared with same supplements without iron or no treatment/placebo (no iron or… (very low certainty).

1 finding from 1 review

Intervention not reported

At least 50% of maximum pain relief over 4 to 6 hours · Adults with acute pain

The intervention leads to higher at least 50% of maximum pain relief over 4 to 6 hours (high certainty).

1 finding from 1 review

Intervention not reported

Participants remedicating within 8 hours · Adults with acute pain

The intervention leads to lower participants remedicating within 8 hours (high certainty).

1 finding from 1 review

Intervention not reported

Participants with at least 1 adverse event (all diclofenac potassium doses, 25 mg to 100 mg) · Adults with acute pain

The intervention showed no clear difference in participants with at least 1 adverse event (all diclofenac potassium… (moderate certainty).

1 finding from 1 review

Budesonide 10 mg vs prednisolone

Adverse event ‐ Reduction in plasma cortisol below lower reference limit · Adult patients with active ulcerative colitis

It is very uncertain whether budesonide 10 mg changes adverse event ‐ Reduction in plasma cortisol below lower reference… compared with prednisolone 40 mg (very low certainty).

1 finding from 1 review