Clustered Cystic Changes in Long-Term Follow-Up Thin-Section Computed Tomographic Findings in Fibrotic Nonspecific Interstitial Pneumonia

Table 1

Baseline clinical and demographic features of patients.

Age, yr	57 ± 2.3
Male/female	31/27
Smoking, current/ex/never	10/20/28
Duration of symptoms, mo, median (range)	2.3 (0–48)
Pulmonary function
FVC, % predicted	74.5 ± 16.9
, % predicted	58.5 ± 18.4
PaO2, mmHg	72.4 ± 11.3

 = diffusion capacity of carbon monoxide; ex = ex-smoker.