Table 1.

Descriptive characteristics of African Americans with incident NSCLC participating in the SCCS (N = 286)

N (%)
Sex
 Male171 (59.8)
 Female115 (40.2)
Vital status
 Alive38 (13.3)
 Dead248 (86.7)
Median African ancestry, %85.6
Lung cancer stage at diagnosis
 I44 (15.7)
 II/III90 (32.0)
 IV147 (52.3)
 Unknown5
Treatment
 No treatment75 (26.8)
 Surgery only31 (11.1)
 Chemotherapy only51 (18.2)
 Radiation only36 (12.9)
 Multimodality87 (31.1)
 Unknown6
Histology
 Adenocarcinoma113 (39.5)
 NSCLC-NOS78 (27.3)
 Squamous72 (25.2)
 Other NSCLC22 (7.7)
 Multiple histologies1 (0.3)
Mean age at diagnosis, y (SD)59.6 (9.1)
Mean duration of disease among those who died, y (SD)0.88 (1.1)
Mean duration of disease among those alive at last follow-up, y (SD)4.1 (1.7)
Highest education level, y
 <12134 (47.2)
 ≥12150 (52.8)
 Unknown2
Smoking status at cohort entry
 Current206 (72.8)
 Former59 (20.8)
 Never18 (6.4)
 Unknown3
Mean cigarettes per day (SD)15.7 (13.1)
Mean smoking pack-years (SD)37.5 (30.7)
First-degree relative with lung cancer
 Yes21 (9.3)
 No205 (90.7)
 Unknown60
  • Abbreviation: NOS, not otherwise specified.