What do systematic reviews say?

Intervention not reported

It is very uncertain whether the intervention changes functional exercise capacity (Change in 6MWD) (very low certainty).

• Exercise training to improve exercise capacity and quality of life in people with non‐malignant dust‐related… 2015 · Cochrane Headline outcomes only
  MD 53.81 [34.36, 73.26]
  2 studies · 39 participants
  Very low

Intervention not reported

• Guanylate cyclase stimulators for pulmonary hypertension 2016 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 398 participants
  Very low