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What do systematic reviews say?

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Evidence found and GRADE certainty

416 questions · 425 findings · 38 reviews

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No studies found 80 · 18.8%GRADE not reported 19 · 4.5%Very low 123 · 28.9%Low 128 · 30.1%Moderate 66 · 15.5%High 9 · 2.1%

Non‐invasive ventilation during exercise training vs exercise training alone or exercise training with sham non‐invasive ventilation

Health‐related quality of life Change in total score of St George Respiratory Questionnaire · patients with chronic obstructive pulmonary disease
1 finding from 1 review

Non‐invasive ventilation during exercise training vs exercise training alone or exercise training with sham non‐invasive ventilation

Physical activity: not measured · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings table ‐ Preoperative exercise training vs no exercise

Number of patients who developed postoperative pulmonary complications · people scheduled to undergo lung resection for non‐small cell lung cancer

Summary of findings table ‐ Preoperative exercise training leads to lower risk of developing a postoperative pulmonary complication – total compared with no exercise training (high certainty).

1 finding from 1 review