Table 1. Demographic characteristics of the patient cohort and their association with response to immunotherapy.

Factor	No. of patients (%) or median (range)	P value
Sex
Women	73 (55.7)	0.858
Men	58 (44.3)
Age, y	62 (29, 88)
Race (40 missing)
White	49 (53.9)	0.722
Black	41 (45.1)
Other	1 (1.1)
Smoking
Never	9 (6.9)	0.097
Former/current	122 (93.1)
Pathology (2 missing)
Adenocarcinoma	91 (70.5)	0.442
Squamous	32 (24.8)
Other	6 (4.7)