Table 1.

Demographics of study participants in the evaluation set

Controlsn = 24
Gender
    Male5
    Female19
Age median (range)54 (34-83)
Smoking
    Current4
    Former10
    Lifetime nonsmoker9
    Not available1
Pack-years
    Lifetime nonsmoker9
    <204
    20-347
    35-492
    50+1
    Not available1
Cancersn = 13
Gender
    Male10
    Female3
Age median (range)64 (44-78)
Smoking
    Current5
    Former5
    Lifetime nonsmoker2
    Not available1
Pack-years
    Lifetime nonsmoker2
    <201
    20-343
    35-492
    50+4
    Not available1
Tumor type and stage
    Adenocarcinoma1
    Squamous6
    Not specified6

NOTE: Demographics of samples tested (evaluation set). Evaluation set was obtained from University of Pittsburgh Medical Center. Patients with lung cancer (n = 13) ranged in age from 44 to 78 y, whereas the controls (n = 24) ranged in age from 34 to 83 y. Of the patients with lung cancer, 2 were lifetime nonsmokers and 10 had a smoking history. The control group was made up of 9 lifetime nonsmokers and 14 with a smoking history.