Table 1.

Data are presented as No. (%) unless otherwise indicated.

Baseline Characteristics of the 15 Chronic Pulmonary Study Subjects
Age - yr
Mean	54
Range	43–65
Sex - number (%)
Male	4 (36)
Female	11 (73)
Race - number (%)
African American	7 (47)
Caucasian	8 (53)
Years since histologic diagnosis
Mean	10
Range	1–32
Concominant therapy - no. (%)	7 (47)
Corticosteroids only	3 (20)
Immunomodulator only	1 (7)
Corticosteroids + immunomodulator	3 (20)
Corticosteroid dose (mg prednisone equivalent/day)
Mean	13
Range	3.75–30
Scadding CXR Stage 0/I/II/III/IV	1/1/8/3/2