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%

Intervention not reported

Progression of DRa · people with type 2 diabetes

The intervention showed no clear difference in progression of DRa (moderate certainty).

1 finding from 1 review

Intervention not reported

Incidence of a reduction in visual acuity of 10 ETDR letters or more · people with type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Incidence of PDR · people with type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Incidence of DMOa · people with type 2 diabetes

The intervention showed no clear difference in incidence of DMOa (moderate certainty).

1 finding from 1 review