Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

150 questions · 151 findings · 21 reviews

No studies found 23 · 15.2%GRADE not reported 19 · 12.6%Very low 32 · 21.2%Low 35 · 23.2%Moderate 28 · 18.5%High 14 · 9.3%

Statins with cholesterol supplementation vs cholesterol supplementation only

Statin‐related adverse events · children and adults with Smith‐Lemli‐Opitz syndrome

It is very uncertain whether statins with cholesterol supplementation changes statin‐related adverse events compared with cholesterol supplementation only (very low certainty).

1 finding from 1 review

Statins with cholesterol supplementation vs cholesterol supplementation only

Changes in biochemical markers plasma dehydrocholesterol levels (mM); plasma cholesterol levels (mM); plasma 7DHC levels (mM); plasma CoQ levels (uM); CSF cholesterol levels (ug/mL); CSF dehydrocholesterol levels (ug/mL) · children and adults with Smith‐Lemli‐Opitz syndrome
1 finding from 1 review

Perioperative statins vs placebo or no treatment

All cardiovascular death · participants with improving outcomes during and after noncardiac vascular surgery.

Perioperative statins showed no clear difference in death from cardiovascular causes compared with placebo or no treatment (low certainty).

1 finding from 1 review

Perioperative statins vs placebo or no treatment

Non‐fatal MI · participants with improving outcomes during and after noncardiac vascular surgery.

Perioperative statins showed no clear difference in myocardial infarction (non‐fatal) compared with placebo or no treatment (moderate certainty).

1 finding from 1 review