Table 1. Baseline characterstics.

Median (range) age, years	62.5 (36-80)
Sex, no. (%)
Men	18 (42.9)
Women	24 (57.1)
ECOG PS, no. (%)
0	30 (71.4)
1	12 (28.6)
Ethnicity, no. (%)
White	39 (92.8)
Asian	2 (4.8)
Other	1 (2.4)
Stage of disease, no. (%)
IIIB	3 (7.1)
IV	39 (92.8)
Prior chemotherapy regimens
Average no. (range)	2.8 (1-7)
Prior bevacizumab, no. (%)	18 (42.9)
Histology, no. (%)
Adenocarcinoma	40 (95.2)
Large cell	1 (2.4)
Undifferentiated	1 (2.4)

Abbreviation: ECOG PS = Eastern Cooperative Oncology Group performance status.