Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,155 questions · 1,191 findings · 195 reviews · Headline outcomes only

No studies found 209 · 17.5%GRADE not reported 51 · 4.3%Very low 256 · 21.5%Low 273 · 22.9%Moderate 284 · 23.8%High 118 · 9.9%

Intervention not reported

At least 50% of maximum pain relief over 4 to 6 hours · adults with moderate or severe acute postoperative 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 with at least 1 adverse event · adults with moderate or severe acute postoperative pain

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

1 finding from 1 review

Intervention not reported

Pain‐free response at 2 h · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review

Intervention not reported

Headache relief at 2 h · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review

Intervention not reported

Headache relief at 1 h · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review

Intervention not reported

Sustained pain‐free during the 24 h post dose · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review

Intervention not reported

Sustained headache relief during the 24 h post dose · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review

Intervention not reported

At least one AE · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review

Intervention not reported

Serious AE* · adults with migraine headache ‐ moderate or severe pain
1 finding from 1 review