Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,262 questions · 2,405 findings · 248 reviews · Headline outcomes only

No studies found 507 · 21.1%GRADE not reported 93 · 3.9%Very low 657 · 27.3%Low 708 · 29.4%Moderate 387 · 16.1%High 53 · 2.2%

Preoperative education vs usual care

Total number of serious adverse events (infection, thrombosis, other serious adverse events · patients with knee replacement surgery

Preoperative education showed no clear difference in total number of serious adverse events (infection, thrombosis, other… compared with usual care (low certainty).

1 finding from 1 review

Preoperative education vs usual care

Total number of serious adverse events (infection, thrombosis, other serious adverse events · hip replacement

It is very uncertain whether preoperative education changes total number of serious adverse events (infection, thrombosis, other… compared with usual care (very low certainty).

1 finding from 1 review