Table 4.

Linear regression analyses to predict peak exercise dyspnea (adjusted to peak exercise ventilation) in patients with ILD

Variables	Unstandardized coefficient	r value	p value
Univariate model
FVC, %pred	-0.002	0.49	0.005
DLco, %pred	0.001	0.04	0.836
MIP post exercise, %pred	-0.001	0.46	0.009
MEP post exercise, %pred	-0.001	0.37	0.045
qMVC post exercise, %pred	0.039	0.11	0.545
PMA, cm2	0.000	0.05	0.773
Multivariable model*
FVC, %pred	-0.003		0.001
MEP post exercise, %pred	-0.001		0.042

For abbreviations definitions see Table 1.

* Constant (intercept): 0.390; Coefficient of regression (R): 0.72