We employed Cochrane possibility of bias (RoB) to assess research high quality and synthesised details narratively. From 8912 hits, we provided thirteen experiments: eleven ended up at significant RoB; 2 at average RoB. PR enhanced practical exercise capability in 10 reports, HRQoL in 12, and breathlessness in nine reports. https://directivepublications.org/journal-of-respiratory-medicine-and-research/