IPF Subject Characteristics.

Tx: transplant recipients; Amb: ambulatory clinic outpatients; hx: history. U.Pgh. Tx includes the 79 subjects of the initial discovery cohort, as well as an additional 19 recipients of lung transplantations for end-stage IPF that have occurred at that institution since the initial discovery compilation. FVC%p denotes forced vital capacity, as a percentage of predicted normal values; DLCO%p denotes diffusing capacity for carbon monoxide as a percentage of predicted normal values. Values among U. Pgh. Tx, Inova, and Stanford subjects are based on last determinations immediately prior to their lung transplantations.******p