Table 1.
Characteristic | Patients (N = 141) |
|
---|---|---|
No. | % | |
Age, years | ||
Median | 63 | |
Range | 29-90 | |
Sex | ||
Male | 48 | 34 |
Female | 93 | 66 |
Smoking history† | ||
Never smoker | 59 | 42 |
Light smoker | 26 | 18 |
Smoker | 56 | 40 |
Ethnicity | ||
Asian | 9 | 6 |
Non-Asian | 132 | 94 |
Pathology | ||
Adeno | 89 | 63 |
BAC* | 41 | 29 |
Adenosquamous | 4 | 3 |
Squamous | 2 | 1 |
Large cell/NOS | 5 | 4 |
Stage‡ | ||
IA | 14 | 10 |
IB | 11 | 8 |
IIA | 1 | 1 |
IIB | 0 | 0 |
IIIA | 5 | 4 |
IIIB | 4 | 3 |
IV | 96 | 68 |
Multifocal BAC | 10 | 7 |
Abbreviations: adeno, adenocarcinoma; BAC, bronchioloalveolar carcinoma; NOS, not otherwise specified.
Adenocarcinoma with any element of BAC was listed as BAC.
Never smokers have smoked < 100 cigarettes in their lifetime; light smokers have smoked ≤ 10 pack years; and smokers have smoked > 10 pack years.
Clinical stage represents stage at time of mutation testing. Stage was determined according to current American Joint Commission on Cancer guidelines; however, patients with malignant pleural effusions were classified as stage IV.