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What do systematic reviews say?

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Evidence found and GRADE certainty

1,655 questions · 1,751 findings · 147 reviews · Pain, Palliative and Supportive Care

No studies found 361 · 20.6%GRADE not reported 87 · 5%Very low 625 · 35.7%Low 367 · 21%Moderate 232 · 13.2%High 79 · 4.5%

Intervention not reported

Pain‐free at 30 mins · adults with cluster headache
1 finding from 1 review

Intervention not reported

Headache relief at 15 mins · adults with cluster headache
1 finding from 1 review

Intervention not reported

At least one AE · adults with cluster headache
1 finding from 1 review

Intervention not reported

Serious AE · adults with cluster headache

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Pain‐free at 15 mins · adults with cluster headache

It is very uncertain whether the intervention changes pain‐free at 15 mins (very low certainty).

1 finding from 1 review

Intervention not reported

Headache relief at 30 mins · adults with cluster headache
1 finding from 1 review

Intervention not reported

Headache relief at 15 mins · adults with cluster headache

It is very uncertain whether the intervention changes headache relief at 15 mins (very low certainty).

1 finding from 1 review

Intervention not reported

At least one AE · adults with cluster headache

It is very uncertain whether the intervention changes at least one AE (very low certainty).

1 finding from 1 review

Intervention not reported

Serious AE · adults with cluster headache

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Pain‐free at 30 mins · adults with cluster headache

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Pain‐free at 15 mins · adults with cluster headache
1 finding from 1 review

Intervention not reported

Headache relief at 30 mins · adults with cluster headache

The review found no eligible studies for this question.

1 finding from 1 review