Table I.

Baseline characteristics of patients

Variable	Value
Age, median (range) [years]	62 (32–75)
Gender, n (%):
Male	20 (66.67)
Female	10 (33.33)
Primary lung cancer, n (%)	30 (100)
Smoking history, n (%):
Current and ever	18 (60.00)
Never	12 (40.00)
Pulmonary function:
%DLCO, median (range)	90.5 (57.2–160.2)
FEV1 [l], mean (range)	2.58 (1.34–4.65)

FEV₁ – forced expiratory volume in 1 s, %DLCO – predictive diffusing capacity for carbon monoxide.