Table 4.

Spearmen correlations between three LT-VLA metrics and other measures (all baseline, n = 140)

	FVC% predicted	6MWD	SF-12 Physical Function
LT-VLA Mean difficulty	−0.30**	−0.38***	−0.47***
LT-VLA % activities affected	−0.24**	−0.29**	−0.51***
LT-VLA % activities unable to perform	−0.23**	−0.32**	−0.35***

^*p<.05,

^**p<.01,

^***p<.0001

FVC% predicted = Forced Vital Capacity, % Predicted; 6MWD = Six-minute walk distance; SF-12 = Medical Outcomes Survey Short Form-12 Physical Function subscale