Table 1.

Baseline demographics and disease history in ≥ second-line patients

	N=57
Age, median (range), years	64 (41–88)
Sex, n (%)
Male	29 (51)
Female	28 (49)
Race, n (%)
White	49 (86)
Black	2 (4)
Asian	4 (7)
Mixed	1 (2)
Missing	1 (2)
ECOG performance status, n (%)
0	17 (30)
1	35 (61)
2	5 (9)
Histology at initial diagnosis, n (%)
Adenocarcinoma*	56 (98)
Large cell	1 (2)
History of tobacco use, n (%)
Never smoker	16 (28)
Current smoker	6 (11)
Former smoker	35 (61)
Smoking history, n (%)	n = 41
≤30 pack-years	22 (54)
>30 pack-years	19 (46)
Number of prior systemic regimens for metastatic disease, n (%)
1	38 (67)
≥2	19 (33)

^*Includes 1 patient with adenosquamous carcinoma—predominately adenocarcinoma histology—and 2 patients with lepidic predominant or invasive mucinous adenocarcinoma (formerly known as bronchioalveolar carcinoma). All histology was determined by local pathological report.