TABLE 3 .

] Determinants of 6MWT Distance

Determinant	Estimate	P Value
Usual gait speed	216.9 ± 29.2	< .001
mMRC dyspnea scale	−28.7 ± 6.2	< .001
Dlco % predicted	1.0 ± 0.3	.005
DSST	1.2 ± 0.5	.011
FEV1 % predicted	0.9 ± 0.3	.011

See Table 1 and 2 legends for expansion of abbreviations.