Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

358 questions · 372 findings · 15 reviews

No studies found 161 · 43.3%GRADE not reported 37 · 9.9%Very low 61 · 16.4%Low 67 · 18%Moderate 35 · 9.4%High 11 · 3%

Intervention not reported

Persistent pain 3 to 6 months after breast cancer surgery (We defined persistent postsurgical pain as new pain that did not exist before the operation, measured using differences in scores based on validated pain scales; patient interview between ... · women with breast cancer undergoing elective surgery

The intervention probably leads to lower persistent pain 3 to 6 months after breast cancer surgery (We… (moderate certainty).

1 finding from 1 review

Sphenopalatine ganglion block vs no treatment/placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · septal surgery

The review found no eligible studies for this question.

3 findings from 1 review