Table 3.

Linear regression analyses to predict peak aerobic capacity in patients with ILD

Variables	Unstandardized coefficient	r value	p value
Univariate model
FVC, %pred	0.440	0.51	0.005
DLco, %pred	0.557	0.45	0.039
MIP pre exercise, %pred	0.212	0.40	0.030
MEP pre exercise, %pred	0.139	0.25	0.174
qMVC pre exercise, %pred	- 16.228	0.23	0.205
PMA, cm2	-0.393	0.35	0.059
Multivariable model*
FVC, %pred	0.398	------	0.024
DLco, %pred	------	------	0.133

Definition of abbreviations: see Table 1.

* Constant (intercept): 36.3; Coefficient of regression (R): 0.64