Table 1.

Characteristics of the Cohort

Age (y):*	66.2 (±10.9)	252
Sex: n (%)
Female	135 (53.6)
Male	117 (46.4)	252
Smoking: n (%)
Never	29 (11.5)
Former	139 (55.2)
Current	84 (33.3)	252
Chronic bronchitis: n (%)	31 (12.6)	245
Emphysema: n (%)	41 (16.7)	245
BMI:*	26.4 (±4.9)	237
ECOG Performance: n (%)
Status 0-2	240 (96.5)
Status 3-4	9 (3.5)	249
Histology: n (%)
Adenocarcinoma	136 (53.9)
Squamous Cell	33 (13.1)
Large Cell	17 (6.8)
NSCLC (NOS/mixed)	66 (26.2)	252
Stage: n (%)
I	48 (19.1)
II	10 (4.0)
III	69 (27.4)
IV	124 (49.5)	252
Therapy:
Surgery: n (%)	105 (41.7)	252
Chemotherapy: n (%)	191 (75.8)	252
Radiation: n (%)	76 (30.2)	252

^*mean ± standard deviation presented