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What do systematic reviews say?

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Evidence found and GRADE certainty

404 questions · 413 findings · 37 reviews · Headline outcomes only

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No studies found 77 · 18.6%GRADE not reported 15 · 3.6%Very low 118 · 28.6%Low 128 · 31%Moderate 66 · 16%High 9 · 2.2%

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