Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,479 questions · 1,537 findings · 159 reviews

No studies found 364 · 23.7%GRADE not reported 125 · 8.1%Very low 455 · 29.6%Low 374 · 24.3%Moderate 193 · 12.6%High 26 · 1.7%

Preoperative inspiratory muscle training vs usual care, non‐exercise intervention

Mortality In the early postoperative period (≤ 30 days) · adult participants undergoing cardiac and major abdominal surgery

It is very uncertain whether preoperative inspiratory muscle training changes all‐cause mortality within 30 days during postoperative period compared with usual care, non‐exercise intervention (very low certainty).

1 finding from 1 review

Attention training vs control

Objective global measures · people with attention deficits following stroke

The review found no eligible studies for this question.

2 findings from 1 review