Table 1.

Clinical characteristics of patients with NSCLC

ParameterNumber of cases (%)
109
Age
    Mean (y)64.4 (range, 38–90)
Gender
    Male82 (75.2%)
    Female27 (24.8%)
Pathology
    Adenocarcinoma82 (75.2%)
    Squamous cell18 (16.5%)
    Other histology9 (8.3%)
Clinical stage
    II9 (8.3%)
    III49 (45.0%)
    IV45 (41.3%)
    Recurrence6 (5.5%)
Bone metastasis
    Yes22 (20.2%)
    No87 (79.8%)
Brain metastasis
    Yes16 (14.7%)
    No93 (85.3%)
Smoking
    Never (SI = 0)22 (20.4%)
    Light (SI < 400)15 (13.9%)
    Heavy (SI ≥ 400)70 (64.8%)
EGFR mutation status25 (22.9%)
    Exon 183
    Exon 199
    Exon 201
    Exon 219
    Exons 18 + 212
    Exons 20 + 211

Abbreviation: SI, smoking index.