TABLE 4.

PFT Response to Glucocorticoid Treatment

	Before Glucocorticoids, Meana	After Glucocorticoids, Meanb	P
FEV1, % predictedc	66.8	89.6	.042
FVC, % predictedc	70.4	93.4	.043
TLC, % predictedd	83.5	101.3	.066
DLCO, % predictedd	78.8	94.3	.068
6MWD, % predictedd	62.3	73.3	.068
6MWT Spo2d	84	93.8	.068

Spo₂, pulse oxygen saturation; TLC, total lung capacity; 6MWD, 6-min walk distance.

^aBefore or within 24 h of initiation of glucocorticoid treatment.

^bFirst repeat testing after initiation of glucocorticoid treatment; completed during hospitalization or at clinic follow-up.

^cn = 5.

^dn = 4.