Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,018 questions · 3,100 findings · 369 reviews · Headline outcomes only

No studies found 774 · 25%GRADE not reported 108 · 3.5%Very low 727 · 23.5%Low 840 · 27.1%Moderate 474 · 15.3%High 177 · 5.7%

Total or near‐total thyroidectomy vs subtotal thyroidectomy

a)Goitre recurrence b)Re‐intervention due to goitre recurrence

Total or near‐total thyroidectomy probably leads to lower a)Goitre recurrence b)Re‐intervention due to goitre recurrence compared with subtotal thyroidectomy (moderate certainty).

1 finding from 1 review

Total or near‐total thyroidectomy vs subtotal thyroidectomy

Adverse events: a) Permanent recurrent laryngeal nerve palsy b) Permanent hypoparathyroidism

Total or near‐total thyroidectomy showed no clear difference in adverse events: a) Permanent recurrent laryngeal nerve palsy b)… compared with subtotal thyroidectomy (low certainty).

1 finding from 1 review