Abstract P85 Table 1

Coefficient of determination (r²) for the relationships between lung function and the change from baseline for breathlessness (ΔBorg) and SpO₂. Linear regression was used for ΔSpO₂ and ΔBorg, and exponential analysis for FEV₁%pred

	FEV₁%pred	ΔSpO₂	Borg

DSP	0.53	0.1612	0.046
DDR-1	0.71	0.2246	0.034
DDR-2	0.72	0.2268	0.033
DDR-3	0.71	0.2251	0.035