Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Clin Oncol. Nov 10, 2018; 9(7): 140-147
Published online Nov 10, 2018. doi: 10.5306/wjco.v9.i7.140
Table 2 Baseline characteristics of the study population n (%)
CharacteristicTotal, n = 1501
Age in yr58.4 (10.8)
Males1236 (82.3)
Smokers1155 (76.9)
Body mass index in kg/m220.2 (4.2)
Histopathology
NSCLC: Squamous553 (36.8)
NSCLC: Adeno514 (34.2)
NSCLC: Undifferentiated87 (5.8)
NSCLC: Other42 (2.8)
SCLC305 (20.3)
NSCLC/SCLC stage1
I and II44 (2.9)
IIIA193 (12.9)
IIIB426 (28.4)
IV767 (51.1)
SCLC stage
Limited disease145 (9.7)
Extensive disease160 (10.7)
Baseline performance status
KPS77.6 (14.4)
ECOG PS1.5 (1)